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MITCHELL CAMERA CORP

Overview
  • Total Patents
    83
About

MITCHELL CAMERA CORP has a total of 83 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States, Canada and Switzerland. Its main competitors in its focus markets optics, machines and mechanical elements are INT PROJECTOR CORP, SENECA CAMERA MFG COMPANY and GRAFLEX INC.

Patent filings in countries

World map showing MITCHELL CAMERA CORPs patent filings in countries
# Country Total Patents
#1 United States 79
#2 Canada 1
#3 Switzerland 1
#4 Germany 1
#5 United Kingdom 1

Patent filings per year

Chart showing MITCHELL CAMERA CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mitchell George A 41
#2 Fairbanks Henry N 7
#3 Manderfeld Emanuel C 6
#4 Jonson Gustave W 5
#5 Petersen Niels G 3
#6 Worrall George H 3
#7 Hoffmann Louis B 2
#8 Eisler Victor H 2
#9 Evraets Vernon J 2
#10 Lee Austin Charles 1

Latest patents

Publication Filing date Title
GB1211449A Intermitent film movement and registration
US3389842A Kinetograph movement mechanism
US3420422A Intermittent film movement and registration
US3272105A Exposure meter system
US3115897A Pressure controller
US3078757A Camera adapted for manual support
US3043185A Drive mechanism for automatic dissolves in motion picture cameras
US2962908A Latching relay
US2986316A Register means for kinetoscopes
US2904277A Spool mount for kinetoscopes
US2800038A Lens turret indexing and locking means
US2889738A Motion picture camera finder and footage indicator
US2817995A Optical compensating system for kinetographs of the constantly-moving-film type
US2832556A Tripod head
US2718361A Film reel mounting and drive for motion picture projectors
US2719455A Kinetograph mechanism having two claw arms
US2670653A Loop replenisher for motion-picture machines
US2660918A Cam-actuated intermittent movement
US2605673A Framing light and control for motion-picture machines
US2618196A Intermittent film movement with fast pulldown