[Pagina principale]

Rechnerlexikon

Die große Enzyklopädie des mechanischen Rechnens

34.237.51.159 | Log in | Aiuto

  DE  EN  FR  IT 
Pagina principale
Tutte le pagine
Ultime modifiche

Versione stampabile

Articolo
Immagine
Brevetto

Pagine speciali

Brevetto

Brevetti  Gran Bretagna  1938

 
  • Patent:GB478053 11.01.1938 Hughes Henry and Son Ltd : Improvements in plotting and computing devices
  • Patent:GB479061 31.01.1938 Burroughs (P) Adding Machine Co : Improvements in paper guide means for calculating and the like machines
  • Patent:GB479234 02.02.1938 AB Original Odhner (P) : Improvements in calculating machines
  • Patent:GB480112 17.02.1938 Arthur Joseph Hughes Henry Hughes And Son Ltd : Improvements in calculating mechanism for measuring instruments
  • Patent:GB480163 14.02.1938 Frederick Thomas Dabbs : Improvements in or relating to calculating machines
  • Patent:GB480244 21.02.1938 Sidney Oswald Ullathorne Veal, Harold Farrow, Walter : Improvements in or relating to scoring devices for games
  • Patent:GB481675 16.03.1938 Thomas Lewis Coppock : Copy-holder for use with typewriters, and calculating machines
  • Patent:GB481798 11.03.1938 Broido, Daniel (P) : A calculating device combined with a weight indicator
  • Patent:GB481801 14.03.1938 Underwood (P) Elliott Fisher (P) Co : Improvements in and relating to adding machines having multiple-zero keys
  • Patent:GB482264 25.03.1938 Junghans (P) Geb Ag : Improvements in or relating to winding crowns for pocket and wrist
  • Patent:GB483021 11.04.1938 British Tabulating (P) Mach Co Ltd : Improvements in or relating to counters for tabulating and other calculating machines
  • Patent:GB483086 12.04.1938 Burroughs (P) Adding Machines Comp. : Improvements in calculating machines
  • Patent:GB483112 12.04.1938 Burroughs (P) Adding Machines Comp. : Transfer mechanism for registers of calculating and the like machines
  • Patent:GB483113 12.04.1938 Burroughs (P) Adding Machines Comp. : Improvements in or relating to calculating machines
  • Patent:GB483234 11.04.1938 Arthur Thomas : Improvements in or relating to calculating machines
  • Patent:GB483235 11.04.1938 Arthur Thomas : Improvements in or relating to calculating machines
  • Patent:GB483906 27.04.1938 Tennant, W. J. Soc. Industrielle d'Instruments de Précision : Improvements in calculating machines
  • Patent:GB484150 27.04.1938 Charles Borel : Improvements in or relating to multiplying machines
  • Patent:GB484486 05.05.1938 British Tabulating (P) Machine Comp. Ltd. : Improvements in or relating to paper-feeding mechanism for statistical machines
  • Patent:GB484852 11.05.1938 Walter Henry Edridge : Improvements in and relating to combined logarithmic calculating and linear measurement scales or scales having equi-distant graduations
  • Patent:GB484911 09.05.1938 Richard Everest Baldwin : Improvements in or relating to Record Card Controlled Tabulating Machines
  • Patent:GB485103 13.05.1938 British Tabulating (P) Mach Co Ltd : Improvements in or relating to counters for tabulating and other calculating machines
  • Patent:GB486841 10.06.1938 Gardner (P) Comp. : Improvements in and relating to adding, calculating and like machines
  • Patent:GB487341 20.06.1938 British Tabulating (P) Mach Co Ltd : Improvements in or relating to multiplying machines
  • Patent:GB487479 21.06.1938 Zeiss, Carl (P) : Improvements in cam gearings for calculating apparatus
  • Patent:GB488083 30.06.1938 Kübler, Carl : Improvements in and relating to Calculating Devices
  • Patent:GB488290 05.07.1938 Andre Rochat : Calculating apparatus
  • Patent:GB488754 13.07.1938 Arnold, Carl (P) : Mechanical toy imitating a calculating animal
  • Patent:GB489425 26.07.1938 Broido, Daniel (P) : Improvements in statistical and other calculating machines
  • Patent:GB489501 28.07.1938 Charles Andrew Fountaine : Improvements in or relating to calculating slide rules
  • Patent:GB489603 28.07.1938 Charles Andrew Fountaine : Improvements in or relating to calculating slide rules
  • Patent:GB490000 08.08.1938 Hofgaard, Rolf (P) : Improvements in key-boards of calculating machines
  • Patent:GB490358 12.08.1938 Ernest Charles McClure : Improvements in or relating to record controlled multiplying machines
  • Patent:GB490418 10.08.1938 Remington Rand (P) : Improvements in or relating to multiplying machines
  • Patent:GB490579 17.08.1938 Appleyard, Rollo (P), Arthur Joseph Hughes, Hughes Henry : Improvements in or relating to calculating or computing devices
  • Patent:GB490869 23.08.1938 Electrical Res Prod Inc : Improvements in or relating to calculating machines
  • Patent:GB491066 22.08.1938 Thomas William Chick : Improvements in or relating to calculating machines
  • Patent:GB491381 29.08.1938 Sidney Wheatley : Improvements in or relating to means for controlling the printing mechanism of calculating or statistical machines
  • Patent:GB492145 15.09.1938 Edvard Hansen Velle : Logarithmic calculating disc
  • Patent:GB492261 16.09.1938 Burroughs (P) Adding Machine Comp. : Improvements relating to paper holding means for accounting or the like machines
  • Patent:GB492748 22.09.1938 Hofgaard, Rolf (P) : Improvements in calculating machines
  • Patent:GB493114 03.10.1938 Henry Jones : An improved logarithmic calculator
  • Patent:GB493277 04.10.1938 Broido, Daniel (P) : Improvements in and relating to calculating machines
  • Patent:GB493638 12.10.1938 Hans Fredrik Birger Högfors Svenska Kassaregister-AB : Improvements in Cash Registers, Adding or Accounting Machines or like Calculating Apparatus
  • Patent:GB493753 13.10.1938 Roger Audibert : Improvements in and relating to totaliser actuating and printing means for calculating machines and similar apparatus
  • Patent:GB493842 12.10.1938 Remington Rand (P) Inc : Improvements in or relating to calculating machines
  • Patent:GB494252 24.10.1938 Standard Telephones Cables Ltd : Calculating devices for navigating purposes
  • Patent:GB494522 26.10.1938 Remington Rand (P) Inc : Improvements in or relating to record card controlled calculating machines
  • Patent:GB494583 26.10.1938 Harold Hall Keen British Tabulating (P) Mach Co Ltd : Improvements in or relating to paper-feeding mechanism for calculating, accounting, and like machines
  • Patent:GB494806 01.11.1938 Carl, Neitzel : Adjustable indicating device for use with recording calculating machines
  • Patent:GB495416 14.11.1938 British Thomson Houston Co Ltd : Improvements in and relating to calculating apparatus for use in navigation
  • Patent:GB495448 14.11.1938 John Thraves Goddard : Improvements in or relating to calculating and games-score registering apparatus
  • Patent:GB495998 23.11.1938 Charles Emmor Allderdice Jr : Improvements in or relating to computing devices
  • Patent:GB496365 29.11.1938 Harold Arthur Day : Improvements in games+score indicators
  • Patent:GB496563 30.11.1938 Burroughs (P) Adding Machine Co. : Improvements in or relating to line finding means for accounting and the like machines
  • Patent:GB496720 01.12.1938 Mercedes (P) Büromaschinen-Werke AG : Improvements in total-taking mechanism for calculating machines
  • Patent:GB497039 12.12.1938 British Tabulating (P) Mach Co Ltd : Improvements in or relating to calculating machines for performing division
  • Patent:GB497196 14.12.1938 Dirk, Veenman (P) : Motor-driven calculating or accounting machine
  • Patent:GB497441 20.12.1938 Monroe (P) Calculating Machine Comp. : Improvements in and relating to Calculating Machines
  • Patent:GB497462 20.12.1938 Monroe (P) Calculating Machine Comp. : Improvements in and relating to Calculating Machines
  • Patent:GB497588 19.12.1938 Baldwin, Richard Everest (P) : Improvements in or relating to calculating machines
  • Patent:GB497640 22.12.1938 Laurence N. Lehman NCR (P) : Improvements in or relating to calculating machines and similar accounting machines
  • Patent:GB497641 19.12.1938 Karl Leichthammer, Carl Lehner, Meta Gadesmann, : Improvements in and relating to devices for determining telephone
  • Patent:GB497676 23.12.1938 British Tabulating (P) Mach Co Ltd : Improvements in or relating to record-card controlled calculating machines
  • Patent:GB497723 22.12.1938 Sordoillet, Pierre : Improvement in Mechanical Calculators
  • Patent:GB523064 23.12.1938 Burroughs (P) : Improvements in or relating to Calculating Machines
  • Patent:GB525861 04.03.1938 Mercedes (P) Büromaschinenwerke AG : Improvements in Calculating Machines
  • Patent:GB535891 21.06.1938 NCR (P) : calculating Machines
  • Patent:GB536898 20.12.1938 Monroe (P) : Adding and Listing Machines

Create Patent:
Nazione:    Number: 
Patentsearch:
Nazione:  Year: da a
Search for: