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Pfeil.gif Patents  Pfeil.gif Great Britain  

Patente aus Großbritannien 1940 bis 1949


  • Patent:GB516535 04.01.1940 Webb, Christopher Frederick : comptometer-like adding machine
  • Patent:GB516557 04.01.1940 Webb, Christopher Frederick : comptometer-like adding machine
  • Patent:GB539453 09.01.1940 Burroughs : Improvements in or relating to Calculating or the like Machines
  • Patent:GB516795 11.01.1940 Burroughs Adding Machine Co : Improvements in or relating to printing calculating or the like machines
  • Patent:GB517389 29.01.1940 NCR : Improvements in or relating to tally strip mechanism for accounting or like calculating machines
  • Patent:GB518033 15.02.1940 Dilot, Leif Torsten August, Jacobsson, Gustav Waldemar : Improvements in or relating to supports for calculating machines, typewriters and the like machines
  • Patent:GB518671 05.03.1940 NCR : Improvements in or relating to accounting machines and similar calculating machines
  • Patent:GB518830 08.03.1940 George Albert Rowley : New or improved calculating instrument
  • Patent:GB518840 08.03.1940 Monroe Calculating Machine Comp. : Improvements in Listing Calculators
  • Patent:GB518864 11.03.1940 British Tabulating Mach Co Ltd : Improvements in or relating to calculating machines
  • Patent:GB519040 14.03.1940 NCR : Improvements in or relating to calculating machines and similar accounting machines
  • Patent:GB519843 08.04.1940 British Tabulating Mach Co Ltd : Improvements in or relating to counters
  • Patent:GB519898 09.04.1940 British Tabulating Mach Co Ltd : Improvements in or relating to counters and registers
  • Patent:GB520226 18.04.1940 AEG Fahrkartendrucker GmbH : Improvements in calculating machines
  • Patent:GB520228 18.04.1940 Contraves Ag : Improvements in or relating to electrical methods of and apparatus for
  • Patent:GB520291 19.04.1940 Louis Manuel Llorens : Improvement in computing machine
  • Patent:GB520442 24.04.1940 Albert John Riches English, Electric Co Ltd : Mechanical calculator
  • Patent:GB521471 22.05.1940 Broido, Daniel : Apparatus for ascertaining the value of a desired function of one or two variables
  • Patent:GB521871 03.06.1940 Broido, Daniel : Improvements in or relating to computing, calculating and like apparatus
  • Patent:GB522314 14.06.1940 Baldwin, Richard Everest : Improvements in or relating to record card controlled calculating machines
  • Patent:GB522562 20.06.1940 Remington Rand : Improvements in statistical machines
  • Patent:GB522630 24.06.1940 Edgar Moffat Elwell : Improvements in or relating to indicating apparatus for scoring games
  • Patent:GB522721 25.06.1940 Webb, Christopher Frederick : comptometer-like adding machine
  • Patent:GB523382 12.07.1940 John Wesley Mulligan Vickers Electrical Co Ltd : Calculating devices
  • Patent:GB523442 15.07.1940 Carl Gosta Toreskog, David Gideon Borjesson, Emil : Variable speed ratchet gearing
  • Patent:GB523532 17.07.1940 Remington Rand Inc : Improvements in totalizers for calculating machines
  • Patent:GB524023 29.07.1940 Wanderer Werke : Improvements in or relating to paper-feed mechanism for typewriters or calculating and like machines
  • Patent:GB542476 21.08.1940 Broido, Daniel : Calculating machines
  • Patent:GB525178 22.08.1940 NCR : Improvements in or relating to cash registers accounting machines or similar calculating machines
  • Patent:GB525268 26.08.1940 Broido, Daniel : Apparatus for ascertaining the value of a desired function of a
  • Patent:GB525329 27.08.1940 Standard Telephones Cables Ltd : Improvements in or relating to calculating installations and apparatus
  • Patent:GB525330 27.08.1940 Standard Telephones Cables Ltd : Improvements in or relating to electrically operated calculating apparatus
  • Patent:GB525396 27.08.1940 Standard Telephones Cables Ltd : Improvements in or relating to electrically-operated calculator equipment
  • Patent:GB525397 27.08.1940 Standard Telephones Cables Ltd : Improvements in or relating to electrically-operated calculating equipment
  • Patent:GB525398 27.08.1940 Standard Telephones Cables Ltd : Improvements in or relating to electrical calculating apparatus
  • Patent:GB525717 03.09.1940 Benjamin Dawson Porritt Res Ass Of British Rubber : Improvements in and relating to calculating devices for use in the tensile testing of materials
  • Patent:GB525955 09.09.1940 Addressograph Multigraph : Improvements in or relating to record card controlled computing
  • Patent:GB526762 25.09.1940 Arthur Thomas : Improvements in calculating machines
  • Patent:GB527554 11.10.1940 James Robert Kirk : Improvements in or relating to scoring devices for games
  • Patent:GB527962 18.10.1940 Dunlop, John : Improvements relating to calculating apparatus
  • Patent:GB528059 22.10.1940 D Instr De Prec Soc Ind : Improvements in calculating machines
  • Patent:GB528083 22.10.1940 Endre Zolnay : Improvements in or relating to calculating machines
  • Patent:GB528106 22.10.1940 William Edward Johnson : Improvements in printing mechanism for calculating machines
  • Patent:GB540604 23.10.1940 Marchant : Multiplying Apparatus
  • Patent:GB528794 07.11.1940 Standard Telephones Cables Ltd : Improvements in calculating devices for direction finders
  • Patent:GB529095 14.11.1940 Jan Robitschek : Improvements in calculators
  • Patent:GB529555 22.11.1940 Louis William Johnstone : Improved ready reckoner device
  • Patent:GB529562 22.11.1940 Morse, Richard Stetson Kodak : Improvements in or relating to means for and a method of carrying out selecting and calculating operations
  • Patent:GB530527 13.12.1940 Daemen, Walter : Improvements in or relating to circular Slide Rules
  • Patent:GB532109 17.01.1941 British Tabulating Mach Co Ltd : Improvements in or relating to calculating machines
  • Patent:GB532234 20.01.1941 Josef Lutz : Improvements in or relating to the solution of parallax triangles
  • Patent:GB532841 31.01.1941 Herbert Henry Holmes : Improvements relating to calculating appliances
  • Patent:GB533586 17.02.1941 Harold Hall Keen British Tabulating Mach Co Ltd : Improvements in or relating to adding and subtracting mechanisms
  • Patent:GB534022 26.02.1941 Remington Rand : Improvements in recording and computing machines
  • Patent:GB534032 26.02.1941 Underwood Elliott Fisher Co : Improvements relating to printing mechanism for accounting machines
  • Patent:GB534118 27.02.1941 George Norman Brockhurst : A letter code check calculator
  • Patent:GB534855 20.03.1941 Ben Secker Standard Telephones : Improvements in or relating to Slide Rules
  • Patent:GB534894 21.03.1941 Hans Driescher : Improvements in or relating to calculating and similar accounting machines
  • Patent:GB535043 26.03.1941 British Thomson Houston Co Ltd : Improvements in logarithmic calculators
  • Patent:GB535476 10.04.1941 Frederick John Cugley : Improvements relating to logarithmic calculators
  • Patent:GB535478 10.04.1941 Nicolls, Wilfred, Evans, Fraser Mackie C.A.V. Limited : locking device
  • Patent:GB535824 23.04.1941 NCR : Improvements in or relating to paper feeding means for accounting machines and similar calculating machines
  • Patent:GB545617 24.04.1941 Broido, Daniel : Calculating machines
  • Patent:GB536644 22.05.1941 British Tabulating Mach Co Ltd : Improvements in or relating to accumulators for calculating machines
  • Patent:GB551311 09.06.1941 Facit : Calculating machines
  • Patent:GB537858 10.07.1941 British Tabulating Mach Co Ltd : Improvements in or relating to calculating machines
  • Patent:GB537924 14.07.1941 Forster, Charles : Sundials
  • Patent:GB538419 01.08.1941 Roger Audibert : Improvements in and relating to totaliser actuating and printing means for calculating machines and similar apparatus
  • Patent:GB553057 01.08.1941 NCR : Calculating apparatus
  • Patent:GB538696 13.08.1941 Weston Sangamo Ltd. : A calculating device for use in photographic printing operations
  • Patent:GB539305 04.09.1941 Frederick Daniel Smith Reginald Frank Milton : Apparatus for analysing diets
  • Patent:GB539322 05.09.1941 IBM : Improvements in or relating to electrical calculating device
  • Patent:GB539654 18.09.1941 Ing. C. Olivetti & C. : Instantaneous stopping arrangement for movable mechanical devices
  • Patent:GB554559 19.09.1941 Strang, J. M.; Foster, C. Barr and Strout Ltd. : An Improved Apparatus for the Conversion of Motion, particularly for use in Anti-Aircraft Gunnery
  • Patent:GB539745 23.09.1941 Leslie Baines Haigh und Ladislas Kozma : Improvements in or relating to electric calculator equipment
  • Patent:GB550298 28.11.1941 Richards, Edward Charles : Adding machines. Calculating appliances
  • Patent:GB541625 04.12.1941 George Thomas Sharp : Improvements in, or relating to, indicating devices for displaying variable information
  • Patent:GB541761 10.12.1941 Contraves AG : Electrical calculating apparatus
  • Patent:GB541909 17.12.1941 Frank Reginald Saxby NCR : Improvements in or relating to multiplying machines
  • Patent:GB542074 24.12.1941 Bruce Rook, Harry Rook : Improvements in or relating to score boards
  • Patent:GB542927 03.02.1942 IBM : Improvements in or relating to calculating and statistical machines
  • Patent:GB542940 03.02.1942 Robert Alfred Archibald Willen : Improvements in or relating to calculating devices
  • Patent:GB543886 18.03.1942 Harold Lee Parker Jolly : A stereographic position-finder
  • Patent:GB544533 16.04.1942 Norman Alan Muir Mckie : An improved calculating device for ascertaining the optimum wave-band in short wave wireless communication
  • Patent:GB544724 24.04.1942 Russell Pearce Gould : Improvements in or relating to devices for indicating in connection with the progress of moving bodies
  • Patent:GB546183 01.07.1942 Gledhill, Arthur Henry : Improvements relating to full stroke mechanism
  • Patent:GB546272 06.07.1942 Addressograph Multigraph : Improvements in or relating to calculating, tabulating or statistical machines
  • Patent:GB546273 06.07.1942 Addressograph Multigraph Corp. : Improvements in or relating to multiplying apparatus
  • Patent:GB546274 06.07.1942 Addressograph Multigraph : Improvements in or relating to calculating, statistical or tabulating machines
  • Patent:GB546295 06.07.1942 Addressograph Multigraph : Improvements in or relating to calculating machines
  • Patent:GB546296 06.07.1942 Addressograph Multigraph Corp. : Improvements in or relating to multiplying apparatus
  • Patent:GB547147 17.08.1942 Kooperativa Foerbundet Foereni : Improvements in and relating to cash registers or calculating machines
  • Patent:GB547163 17.08.1942 Bell Telephone Mfg Company : Improvements in or relating to calculating apparatus
  • Patent:GB547164 17.08.1942 Bell Telephone Mfg Company : Improvements in or relating to calculating equipment
  • Patent:GB566376 16.09.1942 Felt und Tarrant : Calculating-machine
  • Patent:GB548093 24.09.1942 Stuart Henry Rutherford : Improvements in or relating to apparatus for training aircraft pilots
  • Patent:GB548567 15.10.1942 Percy James Hammond Sumner : Improvements in and relating to aircraft performance computers
  • Patent:GB548685 20.10.1942 Broido, Daniel : Improvements in or relating to light+controlled computing devices
  • Patent:GB566942 21.10.1942 Broido, Daniel : Calculating - apparatus
  • Patent:GB549029 03.11.1942 Fred Rick Westerman Rabarts, John Christopher Clifton Vickers Amstrongs Ltd : Improvements in apparatus for the measurement of quantities related to the dimensions of visual impressions
  • Patent:GB549529 25.11.1942 Gerald Oliver Stevenson John Morris and Sons Ltd : Calculator respecting water streams used for fire fighting or other purposes
  • Patent:GB549533 25.11.1942 Bell Telephone Mfg Company : Improvements in or relating to calculating apparatus
  • Patent:GB575100 30.11.1942 Facit : Calculating machines
  • Patent:GB613851 10.12.1942 Lafleur, Hendricus Johannes Hubertus : Calculating-apparatus
  • Patent:GB550097 23.12.1942 Kooperativa Foerbundet Foereni : Improvements in and relating to cash registers and like calculating machines
  • Patent:GB550947 02.02.1943 Goldman, Bosworth Edwin Monk, Gatty, Oliver : Improvements in prediction apparatus for use in ascertaining the movements of aircraft
  • Patent:GB550978 03.02.1943 NCR : Improvements in or relating to calculating or similar accounting machines
  • Patent:GB551707 05.03.1943 Felt und Tarrant : Improvements in or relating to numeral wheels or the like
  • Patent:GB551840 11.03.1943 Percy James Hammond Sumner : Improvements in and relating to aircraft performance computers
  • Patent:GB551994 18.03.1943 Felt und Tarrant :
  • Patent:GB553198 12.05.1943 Felt und Tarrant :
  • Patent:GB553591 27.05.1943 Nigel Scott Richardson, John : Improvements in apparatus for reading off graphically the vacuity of a cask of liquor
  • Patent:GB553947 11.06.1943 Ericsson Telefon Ab L M : Improvements in electrical means for the multiplication of variable
  • Patent:GB554435 05.07.1943 Kristal, Robert Milton American Hydromath Comp. : Improvements in method and means for determining hydrostatic data for ships
  • Patent:GB554752 19.07.1943 Svoboda, Antonin : Sighting apparatus for guns
  • Patent:GB601375 23.07.1943 Felt und Tarrant : Improvements in or Relating to Calculating Machines
  • Patent:GB555275 13.08.1943 John Warne : Process photographic (wet plate) exposure meter
  • Patent:GB555659 01.09.1943 Burroughs Adding Machine Co : Improvements in or relating to calculating or like machines
  • Patent:GB555823 09.09.1943 Remington Rand Inc : Improvements in or relating to statistical machines
  • Patent:GB555921 13.09.1943 Derek Richard Stuckey : Calculating-apparatus
  • Patent:GB556146 22.09.1943 Lewis, John Hedley : Improvements relating to computing apparatus for use in aerial navigation
  • Patent:GB556239 27.09.1943 Felt und Tarrant :
  • Patent:GB556265 28.09.1943 Abax Corp : Improvements relating to apparatus for ascertaining aircraft altitudes
  • Patent:GB556370 01.10.1943 Buehler, Robert Oswald Victor Adding Machine Company : Improvements in or relating to printing mechanism for calculating machines
  • Patent:GB574000 27.10.1943 Facit : Calculating Machines
  • Patent:GB557079 03.11.1943 Gower Bouverie Raynor Pimm : Improvements relating to slide-rule calculators
  • Patent:GB557492 23.11.1943 McFarlane, John Walter, Moses, Clyde Everett Kodak : Improvements in or relating to photographic estimating and calculating device
  • Patent:GB557633 29.11.1943 Meehan, Thomas Oliver, Hooe, Hunter Earick Victor : Improvements in and relating to multiplying machines
  • Patent:GB557734 02.12.1943 Stanley, Ernest Bolton : Improvements in or relating to calculating devices, slide rules and the like
  • Patent:GB557895 09.12.1943 Goudime-Levkovitsch, Paul : Improvements relating to computers of the slide rule type
  • Patent:GB557901 09.12.1943 Charles Matthew Forster : Improvements in and relating to sun compasses
  • Patent:GB575324 10.12.1943 Broido, Daniel : Calculating apparatus
  • Patent:GB570476 16.12.1943 Jackson, Horace Ferranti : Improvements relating to integrating electricity meters
  • Patent:GB558218 24.12.1943 Remington Rand Inc : Improvements in totalizers for calculating machines
  • Patent:GB558685 17.01.1944 Edward John Riordan Aron Electricity Meter Ltd : Improvements in or relating to course and speed calculating apparatus for use with aeroplanes
  • Patent:GB558787 20.01.1944 W L Maxson Corp : Variable ratio gearing
  • Patent:GB577330 03.02.1944 Broido, Daniel : Calculating-apparatus
  • Patent:GB559180 08.02.1944 Everitt, Philip Francis, Hughes, Arthur Joseph Henry Hughes and Son Ltd. : Improvements in and relating to apparatus for the solution of triangles
  • Patent:GB559880 09.03.1944 Remington Rand : Improvements in recording and computing machines
  • Patent:GB560021 16.03.1944 Remington Rand Inc. : Improvements in calculating machines
  • Patent:GB560183 23.03.1944 Douglas Wilfred Blackmore Wallace and Tiernan Ltd : Improvements in Slide Rules
  • Patent:GB560706 17.04.1944 May, William James : Improved target locating and course steering means for use in the navigation of bomber and like aircraft
  • Patent:GB577251 20.04.1944 Broido, Daniel : reversal mechanism
  • Patent:GB560952 28.04.1944 Robert Wayne Byerly : Improvements in apparatus for graphical computation for the solution
  • Patent:GB561358 16.05.1944 George Henry Poole : An improved device for indicating trigonometrical ratios
  • Patent:GB561365 17.05.1944 Cox and Stevens Aircraft Corp : Improvements in or relating to calculating devices for use in solving problems encountered in navigation, particularly in aerial navigation
  • Patent:GB582052 30.05.1944 Facit : Calculating - apparatus
  • Patent:GB582223 30.05.1944 Facit : Calculating - apparatus
  • Patent:GB561831 07.06.1944 Hasler S A Manufacture D App T : Improvements in apparatus for the electrical evaluation of linear
  • Patent:GB563285 08.08.1944 Tichauer, Gerhard : Improvements in planimeters
  • Patent:GB564048 11.09.1944 Paillard and Cie Sa E : Improvements in or relating to carriages carrying the paper for typewriters or calculating machines
  • Patent:GB564423 27.09.1944 Frank Reginald Saxby NCR : Improvements in or relating to multiplying machines
  • Patent:GB564520 02.10.1944 Clarence Willans Heath Belling and Lee Ltd : A calculating device for performing industrial quality control calculations
  • Patent:GB565301 06.11.1944 Rupert Lyell Thorpe : An instrument for use in navigation or course-finding
  • Patent:GB565988 07.12.1944 Mirsky Alexander : Improved computing device
  • Patent:GB566728 11.01.1945 Broido, Daniel : Calculating - apparatus
  • Patent:GB588636 01.02.1945 Jackson, Horace Ferranti : mprovements in change speed gearing applicable to electricity meters
  • Patent:GB567395 13.02.1945 John Donald MacLean : Air navigation computor
  • Patent:GB567840 06.03.1945 John Longden English Electric Co Ltd : Mechanical computing device for solving right+angled triangles
  • Patent:GB567915 08.03.1945 John Donald MacLean : Improvements in Slide Rules and other calculators
  • Patent:GB569214 14.05.1945 Abax Corp : Improvements in or relating to mechanism for use in computing
  • Patent:GB569247 15.05.1945 Robert Townend Vickers Electrical Co Ltd : Improvements in computating devices for photography
  • Patent:GB600485 22.06.1945 Stevens, A. H. Felt und Tarrant : Improvements in or Relating to Calculating Machines
  • Patent:GB570272 29.06.1945 Ronald Sankey, George : Improvements in planimeters
  • Patent:GB571253 14.08.1945 Standard Telephones Cables Ltd : Electrical calculating apparatus
  • Patent:GB571270 14.08.1945 Standard Telephones Cables Ltd : Electrical calculating apparatus
  • Patent:GB571544 29.08.1945 Robin, Osmond : Improvements in or relating to perpetual almanacs or calendars
  • Patent:GB572564 15.10.1945 John Morton Devereux Wood : Improvements in or relating to apparatus for directing gun fire
  • Patent:GB572731 22.10.1945 Philip Edric Ackland Snow, Ivan Gen Electric Co Ltd : Improvements in electrical calculators
  • Patent:GB573095 06.11.1945 Ernest Bates : Improvements in or relating to calculators for the solution of triangles
  • Patent:GB573520 23.11.1945 Alexander Bowden Carr : Slide rule for the computation of income tax on earned incomes
  • Patent:GB574345 01.01.1946 Kenneth Montague Bancroft Wrig Int Communications Lab Inc : An improved device for use in calculating electrical values
  • Patent:GB574405 03.01.1946 British Tabulating Mach Co Ltd : Improvements in or relating to adding and subtracting machines
  • Patent:GB574743 18.01.1946 Clement Durie Hagen Parsons : A new or improved device for mechanically determining information concerned with tides
  • Patent:GB574841 23.01.1946 Sulzberger, Arnold : Electric calculating device
  • Patent:GB607622 01.02.1946 Broido, Daniel : Calculating-apparatus
  • Patent:GB575091 04.02.1946 John Percival Watson Vickers Armstrongs Ltd : Improvements in or relating to calculating mechanism
  • Patent:GB575332 13.02.1946 Alfred Wilson Sinclair Fraser and Glass Ltd : Improvements in or relating to Slide Rules or calculators
  • Patent:GB576372 01.04.1946 British Tabulating Mach Co Ltd : Improvements in or relating to adding mechanism for record card controlled accounting machines
  • Patent:GB576534 09.04.1946 Burns, Snodgrass : Improvements in or relating to slide rule calculators
  • Patent:GB607674 16.04.1946 Broido, Daniel : Calculating-apparatus
  • Patent:GB605926 18.04.1946 NCR : Improvements in or relating to Accounting Machines
  • Patent:GB577001 01.05.1946 William Higley Sayers Boulton Aircraft Ltd : Improvements in and relating to computing mechanism for the correction of gun sights
  • Patent:GB577058 02.05.1946 Osmond Philip Raphael, Edwin Berry : Improvements in or relating to optical computation devices
  • Patent:GB577195 08.05.1946 British Tabulating Mach Co Ltd : Improvements in or relating to calculating machines
  • Patent:GB577893 05.06.1946 George Clifford Hartley, Leslie Baines Haigh : Improvements in or relating to electrically operated calculating equipment
  • Patent:GB577895 05.06.1946 Leslie Baines Haigh Standard Telephones Cables Ltd : Improvements in or relating to electrically operated calculating equipment
  • Patent:GB577940 06.06.1946 George Clifford Hartley, Leslie Baines Haigh : Improvements in or relating to electrically operated calculating apparatus
  • Patent:GB578041 13.06.1946 George Clifford Hartley, William John Reynolds : Improvements in or relating to electrically operated calculating equipment
  • Patent:GB578077 14.06.1946 Gaz & D Electricite Du Sud Est : Ready reckoner for use in conjunction with an accounting machine
  • Patent:GB578557 03.07.1946 George Marsden MacDonald : Mechanical means for the construction of logarithmic spirals
  • Patent:GB578558 03.07.1946 George Marsden MacDonald : Improvements in logarithmic calculators
  • Patent:GB578914 17.07.1946 Jeffery Walton Barnes und William Henderson Coulthard : Improvements in or relating to calculating mechanism
  • Patent:GB578981 18.07.1946 Arthur Prescott Coulden J and R Fleming Ltd : Device for use in making bifocal lenses
  • Patent:GB579136 24.07.1946 Reece Buttonhole Machine Compa : Improvements in or relating to navigation instruments
  • Patent:GB579274 30.07.1946 Leslie Herbert Bedford Cossor Ltd A C : Improvements relating to electrical calculating or measuring apparatus
  • Patent:GB579282 30.07.1946 David Kennedy, Walter : An improved apparatus for making calculations relating to gunnery
  • Patent:GB579325 31.07.1946 Bell, John Cossor Ltd A C : Improvements relating to electrical calculating apparatus
  • Patent:GB579478 06.08.1946 Ritchie Hart Lock : Improvements in slide rule calculating apparatus
  • Patent:GB579557 07.08.1946 Philip Mayne Woodward : Improvements in or relating to calculating devices
  • Patent:GB579982 22.08.1946 Charles Schermuly, Alfred James Schermuly, Conrad : Improvements in or relating to means for discharging rockets
  • Patent:GB580252 02.09.1946 Dora Minna Liebmann und Gerhard Liebmann : Improvements in or relating to calculating instruments
  • Patent:GB580335 04.09.1946 Arenco Ab : Improvements in instruments for controlling gunfire
  • Patent:GB580444 09.09.1946 Samuel Lindon : An improved counting device
  • Patent:GB581120 02.10.1946 Ben Secker, Bent Buelow Jacobsen Standard Telephones : Electrical methods of and apparatus for locating moving objects
  • Patent:GB581565 17.10.1946 George Clifford Hartley, William John Reynolds : Improvements in or relating to electrically operated calculating equipment
  • Patent:GB581732 23.10.1946 John Bryant Digby De Mahe : Calculating apparatus
  • Patent:GB581740 23.10.1946 John Bell, Charles Seymour Wright, Eric Miles Langham : Improvements in electrical potentiometers
  • Patent:GB581905 29.10.1946 Wright, Charles Seymour und Burt, Francis Stanley : Calculating apparatus for vector problems
  • Patent:GB581906 29.10.1946 Wright, Charles Seymour und Burt, Francis Stanley : True wind calculator for use on aircraft
  • Patent:GB582145 06.11.1946 Gerard Francis Wittgenstein : Improvements in and relating to a logarithmic calculator
  • Patent:GB583637 23.12.1946 Burns Snodgrass : Improvements in cursors for Slide Rules
  • Patent:GB583973 03.01.1947 British Tabulating Mach Co Ltd : Improvements in or relating to accounting machines
  • Patent:GB584425 15.01.1947 James Weir French Barr and Stroud Ltd : Improvements in or connected with apparatus for averaging data such as rangefinder data
  • Patent:GB584532 16.01.1947 Dahlberg, Oscar : Improvements in instruments for calculating variations in the altitude of the sun
  • Patent:GB674826 06.02.1947 Facit : Improvements in Multiplying Machines
  • Patent:GB585936 28.02.1947 Mahmoud El Shishini Marconi Wireless Telegraph Co, : An improved electrical device for effecting the multiplication or
  • Patent:GB586215 11.03.1947 Robert Lansdown, Edward John Walter : Improvements in or relating to Slide Rules
  • Patent:GB587220 17.04.1947 Lancelot Hogben : Apparatus for the use in the teaching of arithmetic operations
  • Patent:GB588608 29.05.1947 Henri Georges Doll : Improvement in electro-optical function synthesizers
  • Patent:GB589006 09.06.1947 British Tabulating Mach Co Ltd : Improvements in or relating to devices for summing numbers
  • Patent:GB589063 10.06.1947 Stanley Hartley : An improved mathematical data indicator
  • Patent:GB589711 27.06.1947 Herbert John Duce : Improvements in calculating apparatus
  • Patent:GB589758 30.06.1947 Alan Sproxton : Combined calculating-device and protractor
  • Patent:GB589764 30.06.1947 Douglas, Cormack Crowe Ericsson Telephones Ltd : Improvements in or relating to electromechanical calculating apparatus
  • Patent:GB590773 29.07.1947 William James May : Improvements in navigational apparatus for use on aircraft
  • Patent:GB591095 08.08.1947 Arthur Hutchinson Haworth British Tabulating Mach Co : Improvements in or relating to ready reckoners in rule form
  • Patent:GB591141 08.08.1947 Lionel Jofeh und Leslie Herbert Bedford Cossor Ltd A C : Improvements relating to electrical measuring and calculating apparatus
  • Patent:GB591680 26.08.1947 Baker, George Thomas Automatic Telephone and Elect : Improvements in or relating to electrically operated calculating equipment
  • Patent:GB591803 29.08.1947 Marian Poraj Jankowski : Range computing device for artillery co+operating with aerial
  • Patent:GB591930 02.09.1947 John St Leger Philpot, Roger William Lee, Harold : Improvements in or relating to navigational instruments
  • Patent:GB592115 08.09.1947 Ronald William Walker, William George Jamieson : An instrument for computing the amount of a substance to be added to one or more other ingredients of a mixture at least one of the ingredients having a variable affecting the amount of the substance
  • Patent:GB593114 08.10.1947 Hyginus, Dudley Gracias : A device for calculating corrections to be applied to an aircraft’s course
  • Patent:GB593682 23.10.1947 NCR : Improvements in or relating to calculating apparatus
  • Patent:GB593683 23.10.1947 NCR : Improvements in or relating to calculating apparatus
  • Patent:GB593730 23.10.1947 NCR : Improvements in or relating to calculating apparatus
  • Patent:GB593792 27.10.1947 NCR : Improvements in or relating to calculating apparatus
  • Patent:GB594427 11.11.1947 Durand Francois : Improvements in Slide Rules
  • Patent:GB595756 16.12.1947 Carlisle, Charles Harold : Improvements in and relating to means for the interpretation of aerial photographs
  • Patent:GB656185 31.12.1947 Herzstark, Curt : Calculating Apparatus
  • Patent:GB596302 01.01.1948 Glenn L. Martin Como. : Improvements in or relating to a system for determination of the longitudinal position of the center of gravity and the gross weight of a craft afloat, such as a seaplane
  • Patent:GB596635 07.01.1948 Alan Frederick Turner, Burns Snodgrass : Improvements in or relating to sliding+rule type calculators
  • Patent:GB597516 28.01.1948 L.M. Ericssons Kassaregister AB : Improvements in Cash Registers and Accounting Machines
  • Patent:GB598407 18.02.1948 Lionel Skinner : A device for indicating the number of hours worked by a person
  • Patent:GB599260 09.03.1948 Percy Perring Thomas : An instrument for aiding navigation
  • Patent:GB599767 19.03.1948 Granville Hugh Baillie British Tabulating Mach Co Ltd : Improvements in or relating to calculating apparatus for multiplying
  • Patent:GB600330 06.04.1948 Chase, George Clinton : Improvements in and relating to listing calculators
  • Patent:GB600665 15.04.1948 British Tabulating Mach Co Ltd : Improvements in printing calculating machines
  • Patent:GB600746 16.04.1948 Allen Wales Adding Machine Corp : Improvements in or relating to calculating machines
  • Patent:GB600778 19.04.1948 Noel, Edward Goodwin : Improvements in or relating to measuring or calculating instruments
  • Patent:GB600795 19.04.1948 Raymond Alphonse Marie Barbey : Electric calculator for studying correlative variations of quantities interconnected by a system of linear relations
  • Patent:GB600877 21.04.1948 Arne Blom Bakke E, R Watts and Son Ltd : Improvements in and relating to calculating apparatus
  • Patent:GB600896 21.04.1948 British Tabulating Mach Co Ltd : Improvements in or relating to calculating machines
  • Patent:GB600983 23.04.1948 Arthur Thomas : Improvements in or relating to accumulator mechanisms for calculating machines
  • Patent:GB601122 28.04.1948 NCR : Improvements in or relating to calculating apparatus
  • Patent:GB601146 28.04.1948 NCR : Improvements in or relating to calculating apparatus
  • Patent:GB601427 05.05.1948 Felt und Tarrant : Improvements in or relating to Calculating Machines
  • Patent:GB602286 24.05.1948 Fritz Hammelburger Blundell Brothers Luton Ltd : A new or improved process of engraving, and articles engraved by such
  • Patent:GB602799 03.06.1948 Kern und Co. Ltd. : Optical tracing member adapted for use with planimeters and other tracing instruments
  • Patent:GB602802 03.06.1948 Heinz Herbert Goldstaub : Improvements in and relating to slide rules or calculating apparatus of the flat rectilinear type
  • Patent:GB686524 17.06.1948 Bourinet, Roger : Calculating apparatus
  • Patent:GB603793 23.06.1948 Jacques Dietrichs : A calculating device
  • Patent:GB686525 23.06.1948 Bourinet, Roger : Calculating apparatus
  • Patent:GB606632 17.08.1948 Allen Wales Adding Machine Corp : Improvements in calculating machines
  • Patent:GB606972 24.08.1948 Landis and Gyr Sa : Improvements in the moulding of keys for typewriters or calculating machines from thermoplastic material, having inlays of different colour f
  • Patent:GB607187 26.08.1948 Hunt, Ernest William; Woodward, Henry Phipps John : Instrument capable of ascertaining the angle of an inclined surface and the length of such surface and for delineating angles
  • Patent:GB607397 30.08.1948 Dennis James Nynall British Thomson-Houston Comp. Ltd. : Improvements in and relating to electrical computing circuits
  • Patent:GB608989 23.09.1948 Allen Wales Adding Machine Corp : Improvements in calculating machines
  • Patent:GB610472 15.10.1948 B. & F. Carter & Comp. Ltd. Ben Carter : Improvements relating to zeroizing mechanism for revolution counters
  • Patent:GB610552 18.10.1948 Dansk Skrivemaskinefabrik Ved Foss, Rindom & Lauritzen : Duplicating apparatus for use in connection with typewriters, calculating machines or other similar writing apparatus
  • Patent:GB612353 11.11.1948 NCR : Improvements in or relating to calculating devices
  • Patent:GB612392 11.11.1948 NCR : Improvements in or relating to accounting machines and similar calculating machines
  • Patent:GB612841 18.11.1948 : Mechanical multiplication gear for integrating a periodically variable product, in particular for meters for measuring the flow of fluids for
  • Patent:GB614054 08.12.1948 British Tabulating Mach Co Ltd : Improvements in or relating to calculating machines for performing multiplication
  • Patent:GB614347 14.12.1948 NCR : Improvements in or relating to cash registers and similiar accounting machines
  • Patent:GB614639 20.12.1948 Jean Eugene Paul Verneaux : Improvements in electrical apparatus for performing arithmetical calculations
  • Patent:GB615379 05.01.1949 Jean Louis Camille Reynal : An improved calculating instrument
  • Patent:GB616253 19.01.1949 Kern und Co Ltd : Planimeter
  • Patent:GB616254 19.01.1949 Kern und Co Ltd : Planimeter with an optical reading-off device
  • Patent:GB617323 03.02.1949 Jean Eugene Paul Verneaux : Improvements in electric calculating machines
  • Patent:GB618861 01.03.1949 Script Mfg. Comp. : Key actuated machines
  • Patent:GB620175 21.03.1949 Robert Severin Nilsson : Improvements in or relating to calculating, accounting and similar machines
  • Patent:GB620503 25.03.1949 Graham John Scoles Vickers Electrical Co Ltd : Improvements in electrical calculating circuits
  • Patent:GB620759 30.03.1949 Peskin, Samuel; Max Lembke, Frederick : Means for measuring surface areas
  • Patent:GB621133 05.04.1949 Albert Wilfrid Parkes : A slide rule adapted for english monetary calculations
  • Patent:GB621148 05.04.1949 Albert Wilfrid Parkes : A slide-rule adapted for english monetary calculations
  • Patent:GB621755 19.04.1949 AB Facit : Calculating-apparatus
  • Patent:GB622501 03.05.1949 Jones, Gordon John : Improvements in or relating to linkages for use in computing the volumes of solids of revolution
  • Patent:GB622650 05.05.1949 Ericsson Telephones Ltd Douglas Cormack Crowe : Improvements in or relating to electro-mechanical means for registering and storing data, expressible by combinations of symbols in code form
  • Patent:GB624110 27.05.1949 Edward Alexander Edge Frank Albert Holloway : Improvements in or relating to stroke recorders for use in golf and other games
  • Patent:GB624467 09.06.1949 British Tabulating Mach Co Ltd : Improvements in or relating to record card controlled calculating machines
  • Patent:GB625430 28.06.1949 Western Electric Co : Apparatus for the summation of vector quantities
  • Patent:GB625860 05.07.1949 Bauer, Alfred : Improvements in the production of type characters for typewriters or calculating machines
  • Patent:GB627514 10.08.1949 Thomas Waring Barrie Combe : Improvements in or relating to Slide Rules
  • Patent:GB627871 17.08.1949 Frederick Edward Lanegan W H Smith and Son Ltd : Improvements in or relating to pinwheel devices for feeding stationery through typewriters and like machines
  • Patent:GB628630 01.09.1949 Robert Severin Nilsson : Improvements in or relating to printing mechanism for calculating machines
  • Patent:GB665938 06.09.1949 Debogorski, Julian : Adding And Subtracting Instrument for British Montary and Weight Units
  • Patent:GB629621 23.09.1949 British Tabulating Mach Co Ltd : Improvements in or relating to record card controlled calculating machines
  • Patent:GB629707 27.09.1949 NCR : Improvements in or relating to accounting and similar calculating machines
  • Patent:GB629976 03.10.1949 Monroe Calculating Machine : Improvements in and relating to calculating machines
  • Patent:GB631379 02.11.1949 NCR : Improvements in or relating to Accounting and similar Calculating Machines
  • Patent:GB631399 02.11.1949 Ferranti Ltd. Maurice Kenyon Taylor : Improvements relating to electrical computing instruments
  • Patent:GB631443 02.11.1949 NCR : Improvements in or relating to accounting machines and similar calculating machines
  • Patent:GB632244 18.11.1949 Eric Hugh Kenneth : Improvements in and relating to calculating devices
  • Patent:GB632330 21.11.1949 Edward Ernest Keegan : A toy calculating device


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