British patents listed by patent number
The following is a list of patents referred to in the main text.
| 40 | 1912 | Twin lens camera, horizontal model for plates. Thornton-Pickard Manufacturing Co.; Pickard, George Arthur |
| 114 | 1901 | Device to set the front standard at any angle. Covers the front standard bolts. Sanderson, Frederick Herbert Sanderson Regular, Sanderson De Luxe, Sanderson Tourist, Junior Sanderson, Tropical Sanderson, Roll-film Sanderson, Tropical Sanderson, Sanderson Tropical De Luxe, Sanderson Tropical De Luxe, Roll-Film Sanderson |
| 319 | 1884 | Turntable in base of camera to dispense with the tripod top. McKellen, Samuel Dunseith |
| 359 | 1890 | Describes the Folding Kodak. Brownell, Frank Alexander; Kodak Ltd |
| 366 | 1894 | Swing and tilt to back arranged so that the axis of movement is co-incident with the sensitive plate. Curtis, W.F.H. |
| 511 | 1890 | Rubber grip to fit the shutter to various size lenses. Thornton, John Edward; Pickard, Edgar |
| 613 | 1895 | Sanderson front standard support struts. Sanderson, Frederick Herbert Sanderson, Sanderson A pattern, Sanderson Popular, Sanderson Junior, Tropical Sanderson, Sanderson, Sanderson Regular, Sanderson De Luxe, Sanderson Tourist, Junior Sanderson, Tropical Sanderson, Roll-film Sanderson, Tropical Sanderson, Sanderson Tropical De Luxe, Sanderson Tropical De Luxe, Roll-Film Sanderson |
| 674 | 1855 | Describes a combined camera and dark tent arrangement. The lens of the camera moves in a curved slot. Bourne, John Cooke |
| 789 | 1896 | Method of connecting front standard to the camera baseboard for stereo use. Holmes, Leonard; Holmes, Leonard Edwin; Holmes, Herbert |
| 939 | 1889 | Changing mechanism for a detective camera. Smith, A. |
| 941 | 1892 | Describes a folding strut camera. Jeffrey, A.; Wishart, George |
| 992 | 1904 | Zambex envelopes and skeletons. Beck, Conrad |
| 1120 | 1885 | Describes a tailboard camera. Branson, F.W. |
| 1139 | 1901 | Relates to an enlarging camera adapted to correct distortion in negatives owing to their being out of the true plane when originally photographed. Carpentier, Jules |
| 1145 | 1902 | Describes a slide-rule actinometer using a tape or ribbon. Smith, John Henry |
| 1196 | 1904 | Relates to a method and apparatus for reducing or enlarging the dimensions of a photograph by inclining the original and reproduction. Scheimpflug, Theodor |
| 1327 | 1908 | Film developing tank. Films arranged in arcs around a common centre to fit a round tank. Carkhuff, Norman W.; Kodak Ltd |
| 1365 | 1889 | Darkroom lamp. Lancaster, W.J. |
| 1448 | 1878 | Stand camera with a hinged baseboard to protect the focusing screen and a front standard mounted on a short focusing rail. Rouch, S.W. |
| 1468 | 1907 | Focal-plane shutter. Goerz, Carl Paul |
| 1510 | 1888 | Book camera. Krügener, R. |
| 1650 | 1883 | Flap/drop shutter. The flap is spring powered, the drop-plate is rubber-band powered. Reynolds, R.; Branson, F.W. |
| 1675 | 1886 | Method of fixing the front standard to the baseboard using vertical rods inside the forks. Rayment, Arthur |
| 1699 | 1875 | Describes the Hare transfer box. Hare, George |
| 1740 | 1905 | Diaphragm shutter. Used on friction brake Koilos. Kenngott, Wilhelm |
| 1830 | 1894 | Describes a monorail camera. Peck, G. |
| 1898 | 1884 | Swing and tilt adjustment using a cradle with curved surfaces attached to the baseboard. Used on the 'Patent Swing' studio camera. Sands, Charles; Hunter, J.J. |
| 1924 | 1895 | Roller-blind shutter. Use of a safety blind to cover the lens when setting the shutter. Improvement of BP 17516/1891. Thornton, John Edward; Pickard, Edgar |
| 1938 | 1877 | Euryscope lens. Voigtländer, F. von |
| 2042 | 1887 | The base of the back has a curved rack to provide a tilt movement. Gotz, J.R. |
| 2112 | 1859 | Stereoscope open on three sides with a mirror on the fourth for viewing illustrations mounted in books. Beck, Joseph |
| 2189 | 1899 | Describes the Magazine Cyclone (Western Camera Manufacturing Co.). Haight, Harry D.; Cossitt, Lincoln L. |
| 2193 | 1859 | 'An improved panoramic lens for taking photographic pictures'. Sutton, Thomas |
| 2279 | 1891 | Describes a falling plate detective camera. Miller, Tom |
| 2305 | 1903 | The Euryplan lens. Arbeit, Ernst |
| 2305 | 1895 | Viewer for three-colour images, applied in the Kromskop. Ives, Frederic E. |
| 2390 | 1886 | Dark slide for film. Vergara, F.J. |
| 2442 | 1902 | Method of inserting and retaining film spools. Holmes, Herbert; Houghton, George |
| 2485 | 1907 | Focal-plane shutter. Adams, Arthur Lewis |
| 2496 | 1885 | Method of clamping the front standard to the baseboard and clamping the rising front. Used on the 'Combination' camera from Shew and others. Brown, J.E. Shew's Aluminium Combination, Brown's Patent Combination Camera |
| 2544 | 1895 | Describes the Kombi. Kemper, A.C. |
| 2566 | 1893 | Improvements in changing boxes, and arrangement for a detachable box. Clarke, Joseph Thacher |
| 2574 | 1857 | Improved achromat lens. Grubb, Thomas |
| 2644 | 1858 | Covers the Clairvoyant viewer. Swan, Henry |
| 2767 | 1884 | Flap/drop shutter. Flap speed controlled by weighted arm, the drop-plate is rubber-band powered. Branson, F.W. |
| 2783 | 1881 | Shutter. Sands, Charles |
| 2811 | 1886 | Cameras, especially fixing the front standard to the baseboard using studs. Stanley, William Ford |
| 2940 | 1857 | Stereo Viewer. Handle on the hinged top-flap. Sands, Charles |
| 3026 | 1884 | Plates are held in a frame inside a slide which clips to the camera, a plate is moved into the focal plane by depressing a rod attached to the frame. Hopkins, J.; Hopkins, A.G. |
| 3035 | 1882 | Describes the '1882' pattern folding plate camera. Hare, George |
| 3055 | 1896 | Falling plate camera and shutter. Jackson, Alfred Charles Falling plate camera (Jackson's patents), Improved Rapid, Falling plate camera (Jackson's patents) |
| 3069 | 1871 | Describes a folding bellows camera where the baseboard is in three parts, the outer two parts fold up to cover the rear and front standards. Stillman, William James |
| 3118 | 1898 | Dark-slides. The top of the draw-slide has corrugations into which strips of velvet, attached to the dark-slide, can fit. Thornton, John Edward; Thornton-Pickard Manufacturing Co. |
| 3175 | 1864 | Covers the Dubroni. Bourdin, Gabriel Jules |
| 3240 | 1898 | Aluminium case for roller-blind shutter. Thornton, John Edward |
| 3268 | 1882 | Focusing scale attached to the baseboard. Stanley, William Ford |
| 3630 | 1908 | Describes the Vesta. Adams, Arthur Lewis |
| 3633 | 1910 | Wratten Safelight. Wratten, Sidney Herbert |
| 3634 | 1895 | Method of connecting the front standard to the baseboard. Spratt, Henry James; Spratt, Alfred Sidney; Spratt, George Albert |
| 3648 | 1904 | Printing Frames. Includes a spring to raise the paper from the negative. Spratt, Henry James; Spratt, Alfred Sidney; Spratt, George Albert |
| 3799 | 1904 | Roll-film developing tank. Brownell, Frank Alexander; Kodak Ltd |
| 3873 | 1901 | Describes a slide-rule actinometer. Acworth, Joseph John |
| 3879 | 1886 | Use of an iris diaphragm. Lancaster, W.J. |
| 4024 | 1907 | Diaphragm shutter. Used on Koilos with pneumatic delay. Kenngott, Wilhelm |
| 4081 | 1893 | Changing the slit width of a focal-plane shutter by the use of chains. Thornton, John Edward; Pickard, Edgar |
| 4102 | 1885 | Describes the Shew Eclipse. Lowdon, George |
| 4110 | 1896 | Describes a monorail. Parkinson, H.C. |
| 4131 | 1889 | Changing mechanism and shutter for a detective camera. Miall, Frank |
| 4145 | 1888 | Changing mechanism. Rouch, A.S. |
| 4320 | 1881 | Describes a twin lens camera, shutter and changing mechanism. Brookes, Warwick |
| 4462 | 1899 | Sector type, T & I, shutter. Lancaster, W.J. |
| 4528 | 1885 | Field camera with an attached focusing hood and magnifier. Stanley, William Ford |
| 4624 | 1886 | Describes an actinometer using paper prepared with bromine salt, the paper is held in a circular case. Stanley, William Ford; Sarjeant, W.L. |
| 4718 | 1887 | Field camera with levers to clamp the front standard. Cusworth, C. |
| 4808 | 1887 | Use of a slotted disc to set tilting back. Sands, Charles; Hunter, J.J. |
| 4831 | 1904 | Strut and front standard arrangement for a hand camera. Used on the Lizars De-Luxe cameras. Ballantine, Robert; Ballantine, Matthew |
| 4874 | 1905 | Describes a three-colour falling late camera. Soc. du Photochrome |
| 4992 | 1906 | Envelope adapter. Wishart, George |
| 5014 | 1885 | Roller-blind shutter. Kershaw, John |
| 5120 | 1900 | Changing arrangement for folding hand cameras. Used on the Folding Frena range. Beck, Conrad; Beck, William |
| 5170 | 1901 | The Aldis Anastigmat lens. Aldis, Hugh Lancelot |
| 5212 | 1906 | Envelope adapter. Mackenzie, Frederick; Wishart, George |
| 5363 | 1885 | Rotary shutter. Lancaster, W.J. |
| 5364 | 1885 | Baseboard in three parts with pull-out section and second section moved by rack and pinion. Locking nut on pinion. Lancaster, W.J. |
| 5374 | 1894 | A tambour front panel is used to give rising front, moved by rack and pinion. Cole, J. |
| 5438 | 1901 | Describes a while-you-wait ferrotype camera. Hickox, Herbert Edward; Phillips, Forbes Alexander |
| 5450 | 1886 | Development of patent 15887/1884, the front standard is held in place by pins that can pivot and be disengaged to collapse the camera. Advertised by Marion (YBP 1891). Middlemiss, W. |
| 5454 | 1896 | Describes a shutter and general form of a box camera for plates. Used on the B.P. Criterion. Brooks, John Boultbee |
| 5523 | 1912 | Describes a folding reflex camera. Used on the Folding Minex. Adams, Arthur Lewis |
| 5564 | 1900 | Folding darkroom lamp. Jackson, Alfred Charles |
| 5598 | 1881 | Camera with provision for holding and changing plates internally by passing a hand through a light-tight sleeve. Lawley, Walter; Starnes, H.S. |
| 5742 | 1892 | Roller-blind shutter, rack and pinion setting arm and pneumatic regulation. Newman, Arthur Samuel; Guardia, J. |
| 5828 | 1893 | Method of clamping and collapsing front standard, tilting back arrangement. Used on the Imperial Instantograph. Dark-slide with hinged top to load plates. Lancaster, W.J. |
| 5938 | 1885 | Tailboard camera, especially the fitting of the front and rear standards. Used in the 'Long and Short Focus' camera. Rouch, A.S. |
| 5965 | 1885 | Field camera with a turntable or cut-out for the lens in the baseboard. Underwood, E.; Underwood, T.A. |
| 6013 | 1892 | Developing and washing apparatus. Brin, A. |
| 6028 | 1890 | Protar lens. Rudolph, Paul |
| 6121 | 1913 | Focal-plane shutter. Prout, George Frederick; Houghtons Ltd |
| 6238 | 1912 | Focal-plane shutter. Thornton-Pickard Manufacturing Co.; Pickard, Arthur Gray; Slinger, Frank Special Ruby Reflex, Ruby de Luxe Reflex, Duplex Ruby Reflex, Junior Special Ruby, Dallmeyer De Luxe Reflex |
| 6489 | 1896 | Changing mechanism. Used in the Frena. Beck, Conrad; Beck, William; Clarke, Joseph Thacher |
| 6508 | 1900 | Tripod with hinged section to close into a smaller space. Ashford, J. |
| 6613 | 1887 | Changing mechanism, shutter for a detective camera. Used on the Eureka. Rouch, S.W. |
| 6628 | 1899 | Time valve. Thornton, John Edward |
| 6631 | 1892 | Describes a camera and enlarging apparatus for a rigid hand camera. Carpentier, Jules |
| 6644 | 1915 | Front standard of a folding hand camera. Used on the Vaido. Adams, Arthur Lewis |
| 6688 | 1884 | Pivoting lens board enabling it to swing forward onto the baseboard whilst front standard swings backwards when collapsing the camera. McKellen, Samuel Dunseith |
| 6814 | 1888 | Twin lens camera with bayonet lens mount. Clark, S.M. |
| 6898 | 1884 | Folding darkroom lamp. Redding, Henry Joseph |
| 6950 | 1888 | Roll-film detective camera. Eastman, G. |
| 7156 | 1886 | Pneumatic shutter. Used on the early Newman shutter (fitting in the diaphragm slot of e.g. field cameras). Newman, Arthur Samuel |
| 7201 | 1884 | The object is to dispense with the tilting back and sliding front. The lens is supported on a 'U' shaped bracket allowing rise, tilt and shift. Samuels, T. |
| 7204 | 1912 | Roll-film developing tank, for the Ensignette N0. 2. Pendred, Loughnan St. Lawrence; Houghtons Ltd |
| 7359 | 1886 | Dark-slides. Small plates are on the draw-slide to prevent the removal of the draw-slide. Watson, Thomas Parsons |
| 7489 | 1890 | Describes a back with swing and tilt. Used on the Perfection model. Vevers, C.C. |
| 7746 | 1884 | Shutter. Furnell, T. |
| 7751 | 1899 | Envelope adapter. Mackenzie, Frederick; Wishart, George |
| 7880 | 1897 | Shutter with two pivoted blades. Eastman Photographic Materials Co. |
| 7981 | 1935 | Application number for the Purma camera GB445907. Mayo, Alfred Croger |
| 8054 | 1889 | Use of an extra large pinion wheel to adjust the focus. A folding handle rotates the pinion wheel, a sliding bolt locks the position. Skinner, J.H.; Lyth, E.J. |
| 8122 | 1893 | Changing box where the exposed plate is raised into the bag by the draw-slide. Reid, J.G. |
| 8194 | 1892 | Printing frame. Beck, Conrad; Bynoe, Frederick Oatley |
| 8329 | 1886 | Changing box where the exposed plate is raised by a crank lever in the bottom of the box. Newman, Arthur Samuel |
| 8353 | 1901 | Two-blade pivoted return shutter. Bausch & Lomb Optical Co. |
| 8358 | 1901 | Two-blade return shutter, rectilinear movement. Bausch & Lomb Optical Co. |
| 8360 | 1901 | Two-blade pivoted return shutter. Bausch & Lomb Optical Co. |
| 8447 | 1888 | Method of fixing the rear standard of a field camera to the baseboard. The rear standard is attached to a bracket that moves along a rail, a wedge clamps the bracket to the rail. Turner, J. W. |
| 8463 | 1884 | Inner sliding frame on a field camera for focusing, the frame is moved by a rack and pinions at each end of the frame. McKellen, Samuel Dunseith |
| 8515 | 1894 | Exposure determining. Relates to a slide-rule for calculating the time of exposure and diaphragm required. Phillips, William Henry |
| 8721 | 1912 | Describes the side struts of a folding hand camera. Used in the Sibyl range of cameras. Where the struts join at the top and bottom a short separation piece is introduced. The end struts have a notch to fit over the separation piece. This allowed the struts to fold into a smaller space. Newman & Guardia; Walters, Edward Cecil; Mason, Percy George Roll-film Baby Sibyl, New Special Sibyl, Roll-film New Special Sibyl, New Ideal Sibyl, Roll-film New Ideal Sibyl, Baby Sibyl, Rangefinder Baby Sibyl |
| 8722 | 1912 | Sector shutter. Used on the Sibyl camera. Newman & Guardia; Walters, Edward Cecil; Mason, Percy George Roll-film Baby Sibyl, New Special Sibyl, Roll-film New Special Sibyl, New Ideal Sibyl, Roll-film New Ideal Sibyl, Baby Sibyl, Rangefinder Baby Sibyl |
| 9005 | 1914 | Original patent for what became Autographic film. Gaisman, Henry Jaques |
| 9006 | 1914 | Original patent covering cameras adapted to use Autographic film. Gaisman, Henry Jaques |
| 9013 | 1903 | Describes the original Premo film pack. Rochester Optical and Camera Co. |
| 9014 | 1903 | Describes a holder (adapter) for a film pack. Rochester Optical and Camera Co. |
| 9044 | 1908 | Describes the Paget colour screen process. Whitfield, George Sydney |
| 9057 | 1898 | Five sided prism used as a view-finder giving non-reversed image. Mallett, Walter; Watson, William; Beevor, Charles William; Adams, Arthur Lewis |
| 9100 | 1906 | Autochrome. The third Autochrome patent referred to the grains being flattened by rolling. Lumière et ses Fils |
| 9119 | 1894 | Brilliant view-finder having two lenses before the mirror. Hill, Henry; Adams, Arthur Lewis |
| 9286 | 1885 | Roll-holder Removable spool, measuring roller, auto-stop, pins to mark paper. Morgan, W.T.; Kidd, R.L. |
| 9342 | 1912 | Describes a while-you-wait ferrotype camera. Moore, Harry Charles |
| 9599 | 1902 | Focal-plane shutter and mirror for a single lens reflex. Newman & Guardia; Newman, Arthur Samuel |
| 9655 | 1886 | Waistcoat camera. Stirn, C.P. |
| 9756 | 1886 | Use of a metal frame in place of the conventional baseboard, the sides of the frame can telescope for focusing. Arrangement for tilting back and swing front. McLaughlin, G. |
| 9819 | 1892 | Changing mechanism for a detective camera. Used in the Frena. Beck, Conrad; Clarke, Joseph Thacher |
| 9820 | 1892 | Shutter. Used in the Frena. Beck, Conrad; Clarke, Joseph Thacher Folding Frena, Frena, Frena, F.O.P. Frena, Frena Changing Mechanism |
| 9869 | 1889 | Shutter. Eastman, G. |
| 9948 | 1887 | Catches for dark-slides to lock the draw-slide in place. Watson, Thomas Parsons |
| 10012 | 1890 | Celluloid vignettes. Sershall, G.J. |
| 10064 | 1893 | Shutter and changing mechanism for a stereo camera. Richard, Jules |
| 10097 | 1904 | Envelope adapter. Wishart, George |
| 10103 | 1887 | Method of clamping the front standard to the baseboard. Collins, T.J. |
| 10278 | 1891 | Falling plate camera. Ricard, E.; Lacroix, J.B.J. |
| 10504 | 1912 | Describes a folding hand camera. Brooks, Arthur Augustus |
| 10594 | 1885 | The camera back is connected by short links to the slides running on the edge of the baseboard, this is arranged to provide a tilting back. Tilting front is also provided. Gotz, J.R. |
| 10798 | 1891 | Roller-blind shutter. BP 5014/1885 is related. Kershaw, John |
| 10823 | 1888 | Describes a small rigid hand camera and changing method. Used in the Demon. O'Reilly, Walter |
| 10966 | 1898 | Relates to a method of making up a packet of films for use in change-boxes. Used in the Tella camera. Adams, Arthur Lewis |
| 11147 | 1911 | Combined view-finder, level and telemeter. Talman, John; Watson, Charles Henry |
| 11302 | 1895 | Describes a rigid bodied camera, shutter and changing mechanism. Zion, Joseph |
| 11303 | 1893 | Folding tripod. The sections are automatically secured into place by a spring catch as the tripod is unfolded. Spratt, Henry James; Spratt, Alfred Sidney; Spratt, George Albert |
| 11386 | 1885 | Dovetailed wedge-shaped fitting on the camera to fit tripod top. Park, Henry |
| 11394 | 1891 | Improvements to strut cameras. Shew, Fox |
| 11476 | 1890 | Two-blade pivoted return shutter. Mattioli, G. |
| 11578 | 1888 | Actinometers. Relates to improvements to BP13332/1887. A lens is used as an eye-piece and a fixed plate is used in place of the perforated plate. Decoudun, J. |
| 11585 | 1905 | Folding roll-film camera. Brownell, Frank Alexander; Kodak Ltd |
| 11615 | 1886 | Plate Box with corrugated grooves to hold the plates and flaps to lift out the plates. Arundel, S.D. |
| 11670 | 1905 | View-finder connected to the rising front. Adams, Arthur Lewis Vesta, Focal Plane Vesta, Stereo Vesta, Verto, Idento, Tropical Idento |
| 11687 | 1908 | Leaf shutter Kodak Ltd |
| 11698 | 1908 | Screens for colour photography. Dufay, Louis |
| 11816 | 1908 | Daylight changing system. Brooks, Arthur Augustus |
| 11891 | 1890 | Changing mechanism. Clarke, Joseph Thacher |
| 12001 | 1890 | Method of clamping tripod turntable. Skinner, J.H. |
| 12029 | 1892 | Pneumatic delay cylinder where the initial position of the cylinder or piston is altered to vary the speed. Adams, Arthur Lewis; Hill, Henry |
| 12105 | 1909 | Roller-blind shutter. Self-capping with two blinds connected by tapes. Chessher, Herbert George |
| 12119 | 1910 | Mounting iron. Friedl, George |
| 12156 | 1912 | Actinometer where a small image of the subject is formed. Boucher, Paul |
| 12180 | 1899 | Describes the shutter, changing mechanism and general form of a rigid bodied camera. Used in the Sigriste camera. Sigriste, J.G. |
| 12238 | 1886 | Roller-blind shutter. Thornton, John Edward |
| 12389 | 1884 | Describes a folding bed camera with a double-slotted link connecting the baseboard and the back. Chapman, J.T.; Scott, T. |
| 12442 | 1890 | Diaphragm shutter opening to a varying extent. Bausch & Lomb Optical Co. |
| 12573 | 1888 | Turntable operated by a rack and pinion, general arrangement for focusing and folding the camera. Scorer, W. |
| 12605 | 1909 | Developing tank for the Ensignette No. 1. Nièll, Magnus |
| 12669 | 1890 | Falling plate camera mechanism. Miller, Tom |
| 12976 | 1894 | Roller-blind shutter. Two blinds moving in opposite directions. Used on the Studio model. Pickard, Edgar |
| 13040 | 1896 | Vignette frame. Salmon, Arthur |
| 13055 | 1890 | Shutter. Used on the Presto camera. Franks, Louis Aubrey |
| 13061 | 1902 | The Tessar lens. Rudolph, Paul |
| 13332 | 1887 | Describes a means of estimating the light by introducing varyingly translucent plates in front of the image on the ground glass screen. Decoudun, J. |
| 13340 | 1891 | Suction device for attaching an article to glass. Used on the Limpet finder. Brookes, Warwick |
| 13441 | 1902 | Heliar lens. Harting, Carl August Hans |
| 13449 | 1891 | Method of attaching the front standard to the baseboard. Gandolfi, Louis |
| 13820 | 1912 | Leaf shutter. Newman, Arthur Samuel; Newman & Sinclair |
| 13830 | 1900 | Panoramic camera. Kodak Ltd; Brownell, Frank Alexander |
| 13857 | 1892 | Changing box, use of a pressure plate. Newman, Arthur Samuel; Guardia, J. |
| 13956 | 1885 | Rotating back. Billcliff, Joshua |
| 14022 | 1903 | Film pack device. Beck, Conrad; Bynoe, Frederick Oatley |
| 14102 | 1899 | The front standard does not have a cross piece at the top of the forks, it is strengthened by angled struts on the front of the standard as well as the usual side struts. Branson, F.W. |
| 14161 | 1894 | Colour photography. Joly, J. |
| 14262 | 1886 | Describes a conventional field camera with an inner moveable frame on which the front standard is mounted. Park, Henry |
| 14364 | 1893 | Relates to a simplified form of patent BP 1388/1890. Describes the Watkins Junior. Watkins, Alfred |
| 14489 | 1908 | Fitting of roll-film spools Nièll, Magnus |
| 14537 | 1889 | The lens is mounted within eccentric discs to provide rise and cross front. Other improvements cover tripod fixing. Scorer, W. |
| 14648 | 1891 | Front standard is made detachable by using spring bolts on the forks. Two positions for the forks locked by a single pair of struts. Rayment, Arthur; Lyons, G. |
| 14673 | 1908 | The Isostigmar lens. Beck, Conrad; Beck, Horace Courthope |
| 14753 | 1892 | The conventional baseboard is replaced by telescoping tubes. Griffiths, Walter |
| 14865 | 1897 | Print meter. Wynne, George Frederick |
| 15107 | 1895 | The Cooke Anastigmat lens. Taylor, Harold Dennis |
| 15292 | 1892 | Changing box. The plates are held in a hinged frame that tilts backwards to grip the front plate. Adams, Arthur Lewis; Jeyes, John William |
| 15495 | 1890 | Describes a detective camera. Used in the Rover. Lancaster, W.J. |
| 15548 | 1908 | Focal-plane shutter. Used on the Unit shutter. BP 22134/1904 is referenced. BJA 1909, p. 1193. (Advert.). Whitehead, Frank Philip; Giles, Walter Frederick Tropical Folding Ruby, Ensign Focal Plane Camera, Duplex Ruby Reflex, Ensign Popular Reflex, Salex Tropical Reflex, Ensign Folding Reflex |
| 15568 | 1934 | Relates to the Ensign Midget. Application number for GB436750. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph |
| 15640 | 1900 | Folding hand camera especially a self-erecting front. Thornton-Pickard Manufacturing Co.; Pickard, George Arthur; Woodhead, Charles Godfrey |
| 15657 | 1891 | Describes a strut camera where the lens board is pivoted between the struts and able to tilt. Rise is also possible. Incorporated in a Shew Eclipse model. Shew, Fox; Henry, L.C.V. |
| 15926 | 1900 | Rack and pinion used to raise the lens board. Howell was a partner in the Midland Camera Co. Howell, C. |
| 15958 | 1905 | Envelope adapter. Wishart, George |
| 16137 | 1900 | Guillotine shutter sold as the Ilex. Tattersall, Henry Percy |
| 16334 | 1884 | Horizontal swing given to the back by pivoting it to plates that move along each edge of the baseboard. McKellen, Samuel Dunseith |
| 16353 | 1906 | Focal-plane shutter especially the de-coupling of the blind rollers to adjust the slit. Hora, Tudor Travers |
| 16593 | 1905 | Focal-plane shutter. Goerz, Carl Paul; Brauburger, Ernst |
| 16640 | 1895 | The Stigmatic lens. Aldis, Hugh Lancelot |
| 16857 | 1905 | Folding hand camera especially the view-finder. Used on the Sibyl camera. Newman & Guardia; Newman, Arthur Samuel |
| 16861 | 1899 | Print trimmer. Smith, Clement Alfred |
| 17006 | 1898 | View-finder. Use of a mask placed in the focal point of the front lens. Beck, Conrad; Beck, Horace Courthope |
| 17044 | 1900 | Describes the Al-Vista panoramic camera. Angsten, Peter Nickolaus |
| 17143 | 1891 | Brin camera. Brin, A. |
| 17328 | 1888 | Luzo roll-film camera. Redding, Henry Joseph |
| 17408 | 1904 | Mostly covers the Tudor range of cameras but also shows the method of clamping the front standard to the focusing rack used on the Sanderson. Houghtons Ltd; Edwards, William Albert; Holmes, Herbert Sanderson De Luxe, Roll-film Sanderson, Tropical Sanderson, Sanderson Tropical De Luxe, Sanderson Tropical De Luxe |
| 17530 | 1913 | Swing or tilting front to a studio camera. Adams, Arthur Lewis |
| 17624 | 1908 | Strut camera. Used on the Folding Pocket Tenax. Goerz, Carl Paul |
| 17642 | 1892 | Exposure determining. Describes a circular slide-rule. Scott, J.A.; Britannia Works Co. |
| 17685 | 1893 | Shutter. Clarke, Joseph Thacher |
| 17844 | 1894 | Sector shutter. Goerz, Carl Paul; Nerrlich, Eugen Albrecht Richard |
| 17900 | 1897 | Ruling machine to produce screens used in the Joly colour photography process. Joly, J. |
| 18099 | 1888 | Method of connecting the front standard to the baseboard and locking rising front etc. Used on the Acme camera. Watson, Thomas Parsons |
| 18121 | 1907 | The Staley-Wheeler telephoto attachment. Staley, Alfred Edward; Wheeler, Owen |
| 18167 | 1889 | See-Saw shutter. Lancaster, W.J. |
| 18260 | 1906 | Four-way swing front. Adams, Arthur Lewis |
| 18534 | 1949 | Application number for the Wrayflex. Studdert, Maurice Eyre Persse; Wray Cameras Ltd |
| 18535 | 1949 | Application number for the Wrayflex. Studdert, Maurice Eyre Persse; Wray Cameras Ltd |
| 18542 | 1888 | The focusing pinion has reduced sections so that when these are moved over the rack it is out of gear. Rayment, E.; Rayment, F.L.; Rayment, Arthur; North, C.G. |
| 18595 | 1893 | Folding strut camera. Used on the original model Vesta. Hill, Henry; Adams, Arthur Lewis |
| 18631 | 1901 | Dial to calculate the shutter speed from the slit width and tension setting. Tattersall, Henry Percy; Pickard, George Arthur |
| 18744 | 1908 | Screens for colour photography. Dufay, Louis |
| 18767 | 1913 | While-U-Wait camera taking direct positives on cards, operated through a light-tight sleeve. Mandel, Louis |
| 19108 | 1907 | Describes a mechanism that releases the catches to a reversing back by use of a central button. Used on Sanderson cameras. Houghtons Ltd; Edwards, William Albert; Holmes, Herbert |
| 19172 | 1900 | Device to hold shutter blades open for focusing, for example on a Unicum shutter. Walker, James Hubert Phipps |
| 19198 | 1908 | Tripod with legs of U section. Sold as the Jaynay Quickset. Wilkinson, John; Wilkinson, Alfred |
| 19274 | 1890 | Shutters, pneumatic regulation. Patent refused. Newman, Arthur Samuel |
| 19329 | 1894 | Shutters, lenses and lens fittings. Used on falling plate cameras. Jackson, Alfred Charles Falling plate camera (Jackson's patents), Improved Rapid, Falling plate camera (Jackson's patents) |
| 19331 | 1900 | Describes a watch type actinometer sold as the Watkins Dial. Watkins, Alfred |
| 19363 | 1902 | Focal-plane shutter and mirror in a single-lens reflex. Newman, Arthur Samuel; Newman & Guardia |
| 19406 | 1912 | Reflex camera. Adams, Arthur Lewis; Foulkes Winks, Benjamin |
| 19480 | 1890 | Shutter. Used on the Adams Hand Camera. Adams, Arthur Lewis; Newman, Arthur Samuel |
| 19581 | 1892 | Shutter. Clarke, Joseph Thacher |
| 19770 | 1889 | Plate holders for use in changing boxes. Miall, Frank |
| 19943 | 1906 | Printing frame were a pressure bar, operated by a screw, grips the paper to the negative. Proctor, Thomas Richard; Houghtons Ltd |
| 19962 | 1905 | Exposure determining. Relates to the meter described in BP 17642/1892 with the additional feature of including the weather conditions. Ilford Ltd; Potter, Rowland Samuel |
| 20016 | 1910 | Shutters and reflex cameras. Newman, Arthur Samuel; Newman & Sinclair |
| 20088 | 1909 | Spring arrangement to attach supplementary lenses to a camera lens. McAlpine, George Leonard; Griffin & Sons |
| 20187 | 1915 | The fluid in a developing tank is agitated by introducing air under slight pressure. Gimblett, John Archibald Linden; Rowden, George Vere |
| 20226 | 1900 | Method of fixing the front standard to the baseboard to provide lever focusing. Tattersall, Henry Percy |
| 20253 | 1892 | Exposed indicator for dark-slides. Thornton, John Edward; Pickard, Edgar Tailboard Camera for Mono or Stereo, Unnamed Field Camera, Royal Ruby, Royal Ruby |
| 20299 | 1890 | Changing boxes especially the use of sheaths to hold the plates. Found on Newman and Guardia and Adams cameras. Newman, Arthur Samuel; Adams, Arthur Lewis N&G Standard, Adams Hand Camera, N&G Changing Box, Adams Changing Box |
| 20330 | 1904 | Means of compressing the bulb of a pneumatic release. Thornton-Pickard Manufacturing Co.; Pickard, George Arthur |
| 20623 | 1914 | Film spools. Used in the Homéos. Richard, Jules |
| 20649 | 1892 | Shutter, pneumatic regulation. Newman, Arthur Samuel; Guardia, J. |
| 20768 | 1894 | Folding camera. Jones, Alexander James; Levi, Samuel Joseph |
| 20852 | 1890 | Shutters and lens fittings. Clarke, Joseph Thacher |
| 20860 | 1900 | Use of spring plate and studs to locate the front standard on the baseboard. Holmes, Herbert; Houghton, George Sanderson Regular, Sanderson De Luxe, Sanderson Tourist, Junior Sanderson, Sanderson Tropical De Luxe, Roll-Film Sanderson |
| 20862 | 1900 | Tallbody feature to prevent bunching of the bellows from obscuring the image. Sanderson, Frederick Herbert Sanderson A pattern, Sanderson Popular, Tropical Sanderson, Sanderson De Luxe, Sanderson Tropical De Luxe, Sanderson Tropical De Luxe |
| 20951 | 1897 | Roll-film holder, the film being wound outside the backing paper. Eastman, G. |
| 20971 | 1908 | Screens for colour photography. Christensen, Jens Herman |
| 21097 | 1908 | Screens for colour photography. Christensen, Jens Herman |
| 21295 | 1904 | Describes the Ticka. Nièll, Magnus |
| 21458 | 1894 | Improvements to the Double Anastigmat. Goerz, Carl Paul; Höegh, Emil von |
| 21510 | 1899 | Describes a folding camera. Used in the Pocket Cyko. Nièll, Magnus |
| 21588 | 1909 | Reflex cameras. Adams, Arthur Lewis |
| 21637 | 1904 | Metal stereoscope that resembled a book when closed, manufactured as the Pocket Rotoscope. Bath, Sidney Herbert; Rotary Photographic Co. |
| 21727 | 1893 | Describes the Photoret. Magic Introduction Co. |
| 21755 | 1896 | Describes a binocular camera. Bloch, Edmond |
| 21768 | 1902 | Print trimmer. Wilkinson, John; Wilkinson, Alfred |
| 21830 | 1904 | Describes a panoramic camera. Multiscope and Film Co. |
| 21873 | 1899 | Changing mechanism and shutter for a rigid stereo camera. Used in the L.S.C. Royal. Smyth, Herbert |
| 21933 | 1891 | Telephoto attachment fitting behind the prime lens. Dallmeyer, Thomas Rudolphus |
| 22150 | 1902 | Drying rack for plates. Wilkinson, John; Wilkinson, Alfred |
| 22207 | 1903 | Roller-blind shutter mechanism. Used on the Royal model. Thornton-Pickard Manufacturing Co.; Woods, Alfred |
| 22557 | 1896 | Strut camera dark-slides and shutter. Used on the Tit-Bit. Tylar, William |
| 22607 | 1893 | The Cooke Anastigmat lens. Taylor, Harold Dennis |
| 22633 | 1900 | Printing frame using pins on the back that fit into slots on the side of the frame to prevent slippage. Wilkinson, John; Wilkinson, Alfred |
| 22698 | 1904 | Reflex cameras, mirror movement and shutters. Kershaw, Abram Stereo Tropical Reflex, Stereo Tropical Soho, Tropical Soho, Improved Artist Reflex, Soho Reflex, Dainty Soho Reflex |
| 22793 | 1901 | Print roller. Method of fixing the handle to the frame. See also 11224/1906. Wilkinson, John; Wilkinson, Alfred |
| 22962 | 1900 | Heliar lens. Harting, Carl August Hans |
| 23027 | 1913 | Stereoscopic camera for cine film. Used in the Homéos. Richard, Jules; Colordeau, Louis Joseph Emmanuel |
| 23315 | 1892 | Use of notches in film packs to change film. The films have notches along two sides. When a film has been exposed pins in front of the film are slid to coincide with the notches and so release the film. The next film has notches in the alternate position and so is held in place by the pins. Used in the Frena. Clarke, Joseph Thacher Folding Frena, Frena, Frena, F.O.P. Frena, Frena Film Holder, Frena Changing Mechanism |
| 23378 | 1892 | The Double Anastigmat. Goerz, Carl Paul; Höegh, Emil von |
| 23387 | 1894 | Printing Frames. Spring catch arrangement to clamp the back in place. Spratt, Henry James; Spratt, Alfred Sidney; Spratt, George Albert |
| 23429 | 1911 | Densitometer. Sanger-Shepherd, Edward |
| 23431 | 1901 | Changing box with a bag, tambour shutter and lever to raise the plate. Adams, Arthur Lewis |
| 23487 | 1892 | Describes a small roll-film camera, shutter etc. Used on the Kombi. Kemper, A.C. |
| 23500 | 1926 | Application number for GB281802. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Edwards, Valentine William |
| 23670 | 1903 | Roller-blind shutter where the setting cord is pulled back into the case. Thornton-Pickard Manufacturing Co.; Piercy, Ernest Vary |
| 23894 | 1893 | For Factorial development. Includes the Factorial Calculator and an instrument for timing development, using the Factorial method, based on a multi-chambered sand glass. Watkins, Alfred |
| 24089 | 1899 | The Unar lens. Rudolph, Paul |
| 24157 | 1895 | Describes the Presto camera. Casler, Herman |
| 24269 | 1896 | Rotary shutter and general arrangement of the Pocket Kodak. Eastman Photographic Materials Co.; Brownell, Frank Alexander |
| 24350 | 1901 | Describes a folding hand camera. Nièll, Magnus |
| 24487 | 1893 | Use of green and yellow screens to give better colour rendering. Based on BP 9926/92. Burchett, Arthur |
| 24567 | 1898 | Describes the shutter, changing mechanism and general form of a rigid bodied camera. Used in the Sigriste camera. Sigriste, J.G. |
| 24647 | 1893 | Describes a folding hand camera that folds into a small space. Used on the Shew Featherweight. Shew, Fox; Batault, Emile |
| 24720 | 1899 | Telephoto attachment fitting in front of the prime lens. Dallmeyer, Thomas Rudolphus |
| 25037 | 1913 | Extending focusing rack for use with reflex cameras. Adams, Arthur Lewis |
| 25074 | 1908 | Daylight changing system. Brooks, Arthur Augustus |
| 25237 | 1905 | Shutter. Used on the Beck Celverex. Beck, Conrad; Beck, Horace Courthope |
| 25285 | 1903 | Reflex cameras. Used on the Square Reflector. Newman, Arthur Samuel; Newman & Guardia |
| 25370 | 1908 | Determining when development is complete, used in the A-kla system. Brooks, Arthur Augustus |
| 25463 | 1912 | Time valve to fit onto a cable release. Baxter, F. W. |
| 25655 | 1903 | Filter or supplementary lens attachment for box cameras. Isaacs, Myer Lewis; Isaacs, Lewis Myer; Isaacs, Frederick Myer; Levi, J & Co. |
| 25718 | 1904 | Autochrome. The second Autochrome patent proposed a single coating of grains but of multiple colours. Lumière et ses Fils |
| 25849 | 1908 | Reflex camera. Adams, Arthur Lewis; Roberts, Walter George |
| 26068 | 1902 | Describes the Block Notes. Gaumont, L. |
| 26158 | 1933 | Application number for the Purma camera. Mayo, Alfred Croger |
| 26230 | 1904 | Circular print cutter. Wilkinson, John; Wilkinson, Alfred |
| 27102 | 1896 | Changing mechanisms, focusing etc. Used on falling plate cameras. Jackson, Alfred Charles Falling plate camera (Jackson's patents), Improved Rapid, Falling plate camera (Jackson's patents) |
| 27180 | 1906 | The Isostigmar lens. Beck, Conrad; Beck, Horace Courthope |
| 27461 | 1910 | Mechanism for tensioning and releasing roller-blind shutter. Also applied to Focal-plane shutters. Prout, George Frederick; Holmes, Herbert; Houghtons Ltd Triple Victo, Ensign Focal Plane Camera, Ensign Popular Reflex, Salex Tropical Reflex, Ensign Folding Reflex |
| 27592 | 1912 | Diaphragm shutter with gear train to regulate the exposure. Used on the Compur. Deckel, F. |
| 27646 | 1912 | Roll-film camera, especially the use of a glass plate against which the film is pressed and film advance release mechanism. Used in the Homéos. Richard, Jules |
| 27667 | 1909 | Reflex cameras with a mask to show position of revolving back. Adams, Arthur Lewis; Roberts, Walter George |
| 27772 | 1913 | Method of collapsing the front standard in a folding hand camera. Goerz, Carl Paul |
| 27986 | 1903 | Exposure meters. Describes Le Photometre Normal. Degen, Edouard |
| 28174 | 1906 | Focal-plane shutter. Giles, Walter Frederick |
| 28448 | 1908 | Folding reflex camera. Frennet, Jules |
| 28464 | 1907 | Describes a roll-film strut camera. Used in the Ensignette. Nièll, Magnus |
| 29506 | 1897 | Describes a changing arrangement for cameras using cut-film. Used in the Tella camera. Adams, Arthur Lewis |
| 29599 | 1897 | Describes a detective camera where the plates are changed by inserting the hand into the camera. Atwater, John Larson |
| 29637 | 1913 | The Xpres lens. Stuart, John; Hasselkus, John William |
| 31441 | 1921 | Application number marked on APM reflex. |
| 32138 | 1949 | Application number for the Wrayflex. |
| 106680 | 1916 | Plate holder used to produce composite photographs where a mask is moved between successive images. Walsham, A. E.; Bennett, A.; Perl, A. H. F. |
| 106681 | 1916 | Displaying and mounting composite photographs that use a mask. Walsham, A. E.; Bennett, A.; Perl, A. H. F. |
| 108458 | 1916 | Automatic diaphragm where the iris is kept open by a tensioned spring that, when released, closes the iris. Treitschke, Friedrich |
| 117399 | 1917 | Describes a folding strut camera. Used in the Ensign Midget. Nièll, Magnus |
| 124636 | 1918 | Describes a folding hand camera. Newton & Wright; Litchfield, Thomas |
| 125615 | 1916 | Focal-plane shutter. Thornton-Pickard Manufacturing Co.; Pickard, Arthur Gray; Slinger, Frank |
| 128626 | 1917 | Describes the T-P Gun camera. Thornton-Pickard Manufacturing Co.; Pickard, Arthur Gray; Slinger, Frank |
| 131149 | 1918 | Camera for continuous operation or still exposures, produced as the Sept. Tartara, Giuseppe Giovanni Battista |
| 139719 | 1919 | Dallon telephoto lens. Booth, Lionel Barton |
| 146054 | 1920 | Improvements to BP 131149 (Sept). Tartara, Giuseppe Giovanni Battista |
| 151507 | 1919 | Dallon telephoto lens. Booth, Lionel Barton |
| 157037 | 1921 | Three element lens. Warmisham, Arthur; Taylor, Taylor & Hobson Ltd |
| 158194 | 1919 | Reflex cameras and focal-plane shutters. Used in the Folding Reflex. Mason, Percy George; Newman & Guardia |
| 158601 | 1919 | Reflex cameras and lens fittings. Used in the Folding Reflex. Mason, Percy George; Newman & Guardia |
| 165509 | 1921 | Method of determining the exposure required when printing from a negative. Price, A. L. |
| 165575 | 1920 | Body for a roll-film camera using sheet aluminium. Used in the Ensignette. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph |
| 171024 | 1920 | Folding hand camera. Used on the Patent Etui camera. Guthe, Paul |
| 182237 | 1922 | Tripod that folds into a walking stick. A later patent BP 321007/1929 was for a stick with fold-out platform for the camera. Peacock, Thomas; Newman & Guardia |
| 183626 | 1921 | Hood for a rear focusing screen. Peacock, Thomas; Newman & Guardia |
| 190302 | 1921 | Reflex cameras and focal-plane shutters. Bettles, Arthur Edward |
| 201561 | 1923 | Correx film apron. Correx Müvek Filmipari Gepgyar Czako Laszlo |
| 203668 | 1922 | Albada view-finder. Carl Zeiss |
| 207637 | 1922 | Improvements to shutters. Used on the Ensign Cupid. Application no. GB19220024360. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Edwards, Valentine William |
| 210531 | 1922 | Reflex camera. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Dockree, Walter 2 ¼B Roll-film Reflex, Ensign Roll-film Reflex, Ensign Roll-film Reflex 2 ¼B |
| 210717 | 1922 | Reflex camera. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Dockree, Walter |
| 213973 | 1923 | Roll-film developing dish. Leigh, Albert; Baker, Thomas |
| 216349 | 1923 | Lantern slides for use having an opaque coating which can be cut through by a sharp-pointed instrument to form diagrams etc. Morgan, Henry Morrish |
| 216831 | 1924 | Exposure meter for printing. A sheet having sections or areas of varying transparency for determining the correct printing exposure for a negative. Mayer, Emil |
| 220615 | 1923 | General arrangement for a box camera. Optische Anstalt C.P. Goerz A.G. |
| 235560 | 1924 | Camera, shutter etc. Leitz |
| 248274 | 1926 | Sliding lens mount between fixed stops for focusing. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph |
| 266494 | 1925 | Reflex camera. Houghton-Butcher Manufacturing Co.; Edwards, Valentine William; Dockree, Walter; Denniss, Alfred Joseph |
| 270623 | 1926 | Describes the front standard of a folding camera with a helical lens movement, used on the Agfa Standard range. IG Farbenindustrie |
| 270823 | 1926 | General arrangement for a box camera with hinged body. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Edwards, Valentine William; Holmes, Alfred William Robert |
| 271145 | 1926 | Reflex camera. Houghton-Butcher Manufacturing Co.; Edwards, Valentine William; Dockree, Walter; Denniss, Alfred Joseph |
| 271186 | 1926 | Positioning of the diaphragm behind a simple lens. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Hainsworth, Frank All-Distance Pocket Ensign, All-Distance Ensign, Ensign All-Distance Twenty |
| 271330 | 1926 | Shutter, two blade pivoted return type. Used on the Sibyl Vitesse and Excelsior cameras. Peacock, John Atkins; Newman & Guardia |
| 273274 | 1926 | The Tessar lens. Carl Zeiss |
| 275462 | 1926 | Diaphragm shutter. Used on rim-set Compur. Deckel, Friedrich; Geiger, Martin |
| 280352 | 1926 | Pressure plate for roll-film cameras. When the cover to the red window is moved aside the springs operating the film pressure plate are flattened allowing the film to move freely. Houghton-Butcher Manufacturing Co.; Edwards, Valentine William; Denniss, Alfred Joseph No. 7 Ensign Carbine, No. 4 Ensign Carbine, Ensign Selfix '20', All-Distance Ensign, Duo-Ensign, Focal Plane Roll-film Camera |
| 281802 | 1926 | Hinged spool retaining spindle. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Edwards, Valentine William No. 7 Ensign Carbine, No. 12 Watch Pocket Carbine, No. 4 Ensign Carbine, Ensign Greyhound, All-Distance Pocket Ensign, Ensign Selfix '20' |
| 285494 | 1927 | Memo roll-film camera. Related patents: BP 285495/1927, BP 288316/1927, BP 288317/1927, BP 290603/1927, BP 290604/1927. Ansco Photoproducts Inc. |
| 285543 | 1926 | Self-developing camera. Moore, Harry Charles |
| 290023 | 1927 | Hinged back to a roll-film camera. Used on the Sibyl Excelsior camera. Peacock, John Atkins; Newman & Guardia |
| 295071 | 1927 | Folding strut camera. Used in the Snapshot. Dallmeyer Ltd; Carter, Harry Arthur |
| 324578 | 1930 | Flash bulb, used in the Sashalite. See also: Ostermeier, BP 357239/1931; Hauser & Co. BP 368383/1932, BP 368531/1932. Ostermeier, Johannes |
| 324831 | 1929 | Roll-film camera. Used in the Rajar 6. Amalgamated Photographic Manufacturers Ltd; Kershaw, Cecil |
| 330438 | 1929 | Use of a stencil to cut bellows. Amalgamated Photographic Manufacturers Ltd; Kershaw, Norman |
| 334220 | 1929 | Magnesium ribbon holder combined in the same case as an exposure meter. Boehm, Wilhelm |
| 338390 | 1929 | Hood on a reflex camera fitted with a pocket for the shutter of a dark-slide. Thornton-Pickard Manufacturing Co.; Pickard, Arthur Gray; Reeves, John Horace |
| 345719 | 1930 | Improvements in catches or fasteners for the cases of cameras. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Edwards, Valentine William |
| 346882 | 1931 | Method of constructing a camera body utilizing pressed sheet metal. Miller, Maurice |
| 348662 | 1931 | Exposure meters, describes the arrangement of scales on an extinction meter. Refers to BP 214939/1924. Bing, Joseph Mina |
| 365925 | 1932 | Reflex camera Steiner, Kurt |
| 366069 | 1930 | Double ended film clip used when processing film. Purslove, Arthur Edward |
| 368105 | 1932 | Comparison meter using phosphorescent material. Reiss, Friedrich |
| 368260 | 1932 | Three-colour back. Oliver, Leslie Walter; Colour Photographs (British & Foreign) Ltd |
| 369833 | 1930 | The Tessar lens. Carl Zeiss |
| 371252 | 1932 | Rangefinder with moveable mirror or prism moved by the focusing movement of the camera lens. Leitz |
| 377537 | 1931 | Improvements in lenses. The Speed Panchro. Lee, Horace William; Kapella Ltd |
| 378270 | 1932 | Use of a condenser lens combined with the focusing screen. Stevens, Frank Herbert |
| 378429 | 1932 | Dremo exposure meter. Extinction exposure meter showing the field of view. Drem Products Corp |
| 379344 | 1931 | Arrangement of mirrors in a three-colour camera. Hillman, Albert George; Gill, Bertram Thomas; Gerrard Industries Ltd |
| 379345 | 1931 | Method of focusing all three images in a three colour camera at the same time. Hillman, Albert George; Gill, Bertram Thomas |
| 379954 | 1932 | Rangefinder coupling adjusted from the focusing mount of the camera lens through intermediate mechanism. Leitz |
| 383233 | 1932 | Interchangeable cam rings to connect lenses of different focal length to a rangefinder. Leitz |
| 383911 | 1932 | Film re-wind knob that can be pulled clear of obstructions on the top plate. Leitz |
| 386887 | 1933 | Use of a right-angle prism behind a rangefinder eye-piece so that viewing can be at right angles to the line of sight. Leitz |
| 386888 | 1933 | Angular view-finder, Wintu etc. Leitz |
| 388997 | 1933 | Covers the focusing and rangefinder coupling used in the Prominent. Voigtländer & Sohn |
| 391953 | 1933 | Tube being one coil of a spring forming a lens hood. Lomax, Frank Sharp; Whitehead, Charles Edwin |
| 405208 | 1934 | Coupled rangefinder, "having a deflecting device of two refracting wedges which are rotatable in opposite directions". Zeiss Ikon A.G. |
| 409217 | 1933 | Twin lens reflex cameras especially inclining the viewing lens to compensate for parallax. Voigtländer & Sohn |
| 410306 | 1933 | Shutter mechanism. Steenbergen, Johan; Diebel, Otto; Frauenstein, Hugo; Englisch, Emil; Schubert, Herman; Koch, Conrad |
| 412880 | 1934 | Escapement mechanism for slow shutter speeds. Leitz |
| 414465 | 1933 | Roll-film cameras. Shutter mechanism. Steenbergen, Johan; Diebel, Otto; Frauenstein, Hugo; Englisch, Emil; Schubert, Herman; Koch, Conrad |
| 414992 | 1934 | Attaching a photographic camera or the like to an optical observation instrument (Microscope). Carl Zeiss |
| 415770 | 1933 | Improvements relating to rangefinders or telemeters for photographic cameras Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Edwards, Valentine William |
| 421132 | 1933 | Announcement slides for use at cinemas made of heat resisting glass, related to BP 216349/1923. Morgan, Henry Morrish |
| 423035 | 1933 | Photographic cameras; exposure meters; developing-apparatus. July 18, 1933. Describes the general form of the Compass. Billing, Noel Pemberton |
| 425415 | 1935 | Covers the Ebner camera. Ebner, Albert |
| 428003 | 1933 | Stand heads. Nov. 3, 1933. Describes panoramic heads and tripod fittings. Billing, Noel Pemberton |
| 428449 | 1935 | Covers the Ebner camera. Ebner, Albert |
| 428455 | 1933 | Photographic shutters. Nov. 3, 1933. Describes the Compass shutter. Billing, Noel Pemberton |
| 428516 | 1935 | Contact printer and projector. Billing, Noel Pemberton |
| 430648 | 1933 | Improvements in or relating to cameras with focal-plane shutters. Application no. GB19330026158, published in 1935. Mayo, Alfred Croger |
| 440353 | 1936 | Rangefinder in a roll-film camera. Kodak Ltd |
| 441980 | 1934 | Trigger release for photographic shutters. Voigtländer & Sohn |
| 444105 | 1936 | Exposure meters - extinction. Describes the Leudi. Leber, Alois |
| 445611 | 1934 | Photographic-film holders. Oct. 15, 1934. Describes a carrier for photographic films. Billing, Noel Pemberton |
| 445907 | 1934 | Photographic roll-film cameras. Application no. GB19350007981. Mayo, Alfred Croger |
| 454134 | 1936 | Means of adjusting and securing the film-plane. Kodak Ltd |
| 454144 | 1936 | Tongue and groove light seal between body parts. Kodak Ltd |
| 455365 | 1935 | Patent for the Minifex camera. Kaftanski, Fritz |
| 459821 | 1935 | Photographic cameras; exposure meters. Zeiss Ikon A.G. |
| 461304 | 1935 | Improvements in lenses. Lee, Horace William; Kapella Ltd |
| 463943 | 1935 | Photographic roll-film cameras. Sept. 4, 1935. Describes a roll-film back. Billing, Noel, Pemberton |
| 465102 | 1935 | Photographic cameras. July 16, 1936. Describes a camera back similar to the Compass. Billing, Noel Pemberton |
| 467039 | 1937 | Photoelectric exposure meter, scale and pointer designed for low-light levels. Zeiss Ikon A.G. |
| 467837 | 1935 | Photographic roll-film spools. Dec. 23, 1935. Billing, Noel Pemberton |
| 473123 | 1936 | Improvements in or relating to photographic cameras with focal-plane shutters. Application no. GB19360003684. Mayo, Alfred Croger; Purma Cameras Ltd |
| 474509 | 1937 | Motor drive attachment. Leitz |
| 479453 | 1938 | Rapid film advance using a trigger and pulley. Leitz |
| 489557 | 1938 | Folding camera with four or more plates forming the body that hinge and collapse. Not present on the Compass. Billing, Noel Pemberton |
| 489960 | 1938 | Describes a shutter lock when the lens is retracted into the body of the camera. Application no. GB19370003606. Mayo, Alfred Croger; Purma Cameras Ltd; Terrett, Joseph |
| 490836 | 1938 | Describes the Phot-See film holder. Casler, Herman |
| 492737 | 1938 | Describes the Phot-See camera. Casler, Herman |
| 494527 | 1937 | Describes the Erac camera. Steward, Harry |
| 494544 | 1937 | Photographic roll-film cameras. Claimed under the convention date: 1936. Describes the Minox. Valsts Elektrotechniska Fabrica |
| 495149 | 1937 | Photographic roll-film cameras. Claimed under the convention date: 1936. Describes the Minox. Valsts Elektrotechniska Fabrica |
| 497301 | 1937 | Improvements in or relating to a photographic camera having light sensitive exposure diaphragm control means. Kodak Ltd |
| 497302 | 1938 | Describes the Super Kodak Six-20 shutter. Kodak Ltd |
| 500626 | 1937 | Photographic cameras, shutters. Steenbergen, Johan; Diebel, Otto; Frauenstein, Hugo; Englisch, Emil; Schubert, Herman; Koch, Conrad |
| 500791 | 1938 | Photographic cameras. Claimed under the convention date: 1937. Steenbergen, Johan; Diebel, Otto; Frauenstein, Hugo; Englisch, Emil; Schubert, Herman; Koch, Conrad |
| 500866 | 1938 | Lens mounts for photographic cameras. Claimed under the convention date: 1937. Steenbergen, Johan; Diebel, Otto; Frauenstein, Hugo; Englisch, Emil; Schubert, Herman; Koch, Conrad |
| 504008 | 1939 | Improvements in or relating to delay action mechanisms for photographic shutters. Mihalyi, Joseph |
| 504606 | 1938 | Motor drive attachment. Leitz |
| 506749 | 1937 | Photographic lens mounts. Claimed under the convention date: 1936. Describes the Minox. Valsts Elektrotechniska Fabrica |
| 507184 | 1937 | Improvements in or relating to objectives for photographic or like purposes. Warmisham, Arthur; Wynne, Charles Gorrie; Taylor, Taylor & Hobson Ltd |
| 507314 | 1939 | Reflex photographic cameras; lenses. Steenbergen, Johan; Diebel, Otto; Frauenstein, Hugo; Englisch, Emil; Schubert, Herman; Koch, Conrad |
| 508122 | 1938 | Turl Photometer. Ainger Hall, John; Schofield, Francis Harold; Turl, William George Haughton |
| 521606 | 1938 | Photographic cameras, rangefinders. Houghton-Butcher Manufacturing Co.; Parr, Bernard Arthur |
| 531996 | 1941 | Photoelectric exposure meters. Sangamo Weston Ltd |
| 550631 | 1943 | Photoelectric exposure meters. In which a grating is placed in front of a photoelectric cell to limit the angle of view. Ross, T.W.; Metropolitan Vickers Electrical Ltd |
| 563875 | 1944 | Describes an auto-stop and film advance mechanism. Used on the Commando. Houghton-Butcher Manufacturing Co.; Hunter, Douglas Gordon |
| 565768 | 1943 | Lens hood shaped as an inverted cone intended to avoid internal reflections. Peckham, Cyril George |
| 582674 | 1946 | Patent for the SEI Photometer. Dunn, John Frederick; Platt, George Seymour |
| 587090 | 1945 | Improvements in or relating to bezel stops for lenses. Kapella Ltd; Phillips, Arthur Claud; Coltman, Douglas Claud Wynn |
| 614330 | 1948 | Photoelectric exposure meter, describes the Chum. Gosling, Arthur Glendower |
| 625988 | 1949 | Photoelectric exposure meters. Macadie, Hugh Sutherland; Automatic Coil Winder & Electrical Equipment Co. Ltd |
| 642319 | 1950 | Covers film winding movement and connection to the shutter. Application no. GB19470016000. Mayo, Alfred Croger |
| 661288 | 1951 | Spool used in roll-film developing tanks fitted with teeth to grip the sprocket holes in 35 mm film. Paterson, Donald Macdougal |
| 661356 | 1951 | Spool used in roll-film developing tanks fitted with ball bearings or rollers to grip the film. Originally part of 661288. Paterson, Donald Macdougal |
| 662407 | 1949 | Shirley Wellard re-loadable cassette. Dye, William Charles; Bennett, George Henry Phillip; Quemby, James Charles; Buck, William James Henry Shirley-Wellard Universal Cassette, Shirley-Wellard Universal Cassette |
| 681965 | 1952 | Describes the Minicord. Istegstahl GmbH |
| 691103 | 1950 | Reflex camera. Describes the Wrayflex. Application no. GB19490018534. Studdert, Maurice Eyre Persse; Wray Cameras Ltd |
| 691170 | 1950 | Reflex camera. Describes the Wrayflex. Application no. GB19520016662. Studdert, Maurice Eyre Persse; Wray Cameras Ltd |
| 698409 | 1950 | Reflex camera. Describes the Wrayflex. Application no. GB19490018535. Studdert, Maurice Eyre Persse; Wray Cameras Ltd |
| 701368 | 1953 | Describes a pin used to prevent the shutter from being released on the Purma Plus. The pin is engaged when the lens cap is in place. Purma Cameras Ltd |
| 722838 | 1953 | Photographic cameras with flashlight synchronizers. Application no. GB19520011460. Lindsay Leslie is given as inventor. Reid & Sigrist Ltd |
| 728741 | 1955 | Covers the reflex focusing arrangement of the Peckham Wray camera. Peckham, Cyril George |
| 744962 | 1952 | Photographic shutters combined with exposure calculators. Covers the linkage of speed and aperture settings as used in EV and LVS scales. Deckel, Hans; Deckel, Friedrich W. |
| 756816 | 1956 | Roll-film developing tanks where the liquid is poured in and out of a central hole. Paterson, Donald Macdougal |
| 762641 | 1956 | Covers the Tessina camera. Steineck, Rudolf |
| 789021 | 1955 | Photographic cameras. Adox Kamerwerk G M B H |
| 808732 | 1959 | Patent for the Stylophot camera. Kaftanski, Fritz |
| 820413 | 1959 | Describes the shutter release and film advance mechanism of the Agimatic. Aeronautical & General Instruments |