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ZEISS IKON DRESDEN VEB

Overview
  • Total Patents
    195
About

ZEISS IKON DRESDEN VEB has a total of 195 patent applications. Its first patent ever was published in 1952. It filed its patents most often in France, Germany and United Kingdom. Its main competitors in its focus markets optics, audio-visual technology and electrical machinery and energy are BAUER EUGEN GMBH, HEURTIER & CIE SA and KEYSTONE CAMERA COMPANY INC.

Patent filings in countries

World map showing ZEISS IKON DRESDEN VEBs patent filings in countries
# Country Total Patents
#1 France 86
#2 Germany 48
#3 United Kingdom 23
#4 Austria 20
#5 United States 12
#6 Canada 3
#7 Switzerland 3

Patent filings per year

Chart showing ZEISS IKON DRESDEN VEBs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kuhnert Rudolf 13
#2 Noack Rolf 11
#3 Hahn Werner 10
#4 Weise Johannes 9
#5 Hennig Walter 9
#6 Strehle Horst 7
#7 Kromer Karl 5
#8 Goepfert Herbert 5
#9 Rolf Noack 4
#10 Werner Hahn 3

Latest patents

Publication Filing date Title
GB822873A Improvements in or relating to cinematographic picture-taking camera
GB823456A Device for limiting the length of movement of tools of machines
US2882808A Shutter blade for photographic apparatus
US2922347A Exposure regulator
US2906184A Gear assembly, in particular for cameras and the like
GB835778A Photo-electric exposure meter or regulator for photographic or cinematographic picture-taking camera
GB816708A Improvements in or relating to photo-electric exposure meters or regulators
GB823431A Gearing means for photographic roll-film cameras
US2886649A Motion picture projector changing-over system for magnetic and optical scanning
US2896756A Coupling arrangement especially for use in cinematographic devices or the like
GB814144A Means for transmission of pictures and sound by means of separate recording media
GB811238A Coupling arrangement for transmitting rotary motion
GB835427A Magnetic sound apparatus in combination with a picture film reproduction or recording apparatus
GB813139A Cinematograph camera mechanism for the selection of picture taking of series, single time exposures, or single instantaneous exposure pictures
GB825423A Cinematographic camera with mirrored rotating shutter
DE1029224B Water-cooled film web or water-cooled front window on cinematographic playback devices with additional compressed air cooling
DE1029226B Cinema film cassette for two-row exposure
DE1029225B Cinematographic recording camera with convertible cassette for two-row exposure
DE1024796B Device for inserting large diameter film reels into the fire protection drums of motion picture projectors
GB786320A Setting device for flashlight exposures on photographic lenses