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GAUTHIER GMBH A

Overview
  • Total Patents
    794
About

GAUTHIER GMBH A has a total of 794 patent applications. Its first patent ever was published in 1928. It filed its patents most often in Germany, Austria and United States. Its main competitors in its focus markets optics, machine tools and machines are LEVENTHAL PATENTS INC, PURMA CAMERAS LTD and ADOX KAMERAWERK G M B H.

Patent filings in countries

World map showing GAUTHIER GMBH As patent filings in countries
# Country Total Patents
#1 Germany 220
#2 Austria 188
#3 United States 151
#4 France 88
#5 United Kingdom 86
#6 Switzerland 61

Patent filings per year

Chart showing GAUTHIER GMBH As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rentschler Waldemar T 85
#2 Rentschler Waldemar 81
#3 Waldemar Rentschler 32
#4 Starp Franz 29
#5 Starp Franz W R 26
#6 Rentschler Karl 18
#7 Willy Brodbeck 15
#8 Karl Rentschler 10
#9 Rentschler Karl F 9
#10 Barth Fritz 6

Latest patents

Publication Filing date Title
US3386363A Photographic shutter with electronically-controlled exposure timing device
US3256796A Photographic shutter with improved pawl arrangement
US3223010A Photographic camera with retractable photoflash reflector
US3264965A Photographic shutter having multiple escapement mechanisms
US3270649A Photographic self-cocking shutter
US3148604A Photographic camera
US3148603A Photographic camera with built-in exposure meter
DE1186320B Cable release
US3199425A Photographic camera with control interlocks
DE1175980B Photographic camera with lens shutter
US3213773A Photographic camera with coupled exposure meter
DE1186738B Photographic camera with a wireless release
US3153999A Photographic intra-lens shutter with reciprocating shutter blades
DE1186740B Photographic camera with built-in or built-in exposure meter and a shutter with adjusters for exposure time and aperture
DE1171259B Adjustment disk made of plastic
DE1191223B Photographic lens shutter with adjusters for aperture and exposure time
US3153998A Photographic shutter
DE1169776B Photographic shutter with two escapements to achieve instant exposure times and relatively long exposure times
DE1182056B Photographic lens shutter, especially for single-lens reflex cameras, with two rotatable rings that drive and store the shutter blades
US3095791A Photographic camera having a built-in exposure meter