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MAURER INC J A

Overview
  • Total Patents
    29
About

MAURER INC J A has a total of 29 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United States. Its main competitors in its focus markets audio-visual technology, optics and machines are REEVES IND INC, CARL SCHNEIDER K G and CIE GENERALE DE PHONOGRAPHES.

Patent filings in countries

World map showing MAURER INC J As patent filings in countries
# Country Total Patents
#1 United States 29

Patent filings per year

Chart showing MAURER INC J As patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Maurer Jr John A 17
#2 Plasencia Armand J 2
#3 Berndt Eric M 2
#4 Eli Meslin 2
#5 Soreny Ernest V 2
#6 Andre Buon Georges 2
#7 Abe Offner 2
#8 Jack Bolsey Emil 1
#9 Russell Dupree Clyde 1
#10 John Dokulil 1

Latest patents

Publication Filing date Title
US3529890A Camera magazine for high film capacity using free-floating coreless supply roll of film
US3405622A Electronic photographic exposure timer
US3383996A Portable daylight film processor
US3277809A Daylight dental x-ray film processing apparatus
US3179000A Photographic data recorder
US2866398A Curtain shutter and supporting structure therefor
US2497953A Impulse recording optical system
US2519195A View finder focusing and parallax adjustment mechanism
US2538209A Corrected view finder optical system
US2497952A Variable density recording optical system
US2436148A Impulse recording optical system
US2519194A Method of and means for recording electrical impulses and impulse record produced thereby
US2466664A Reflex camera having auxiliary folding mirror
US2442327A Reflex camera with erecting and reducing optical finder system
US2426366A Impulse recording optical system
US2437470A Impulse recording optical system
US2540626A Impulse recording optical system
US2426367A Variable density recording optical system
US2404137A Method of and means for recording electrical impulses and impulse record produced thereby
US2381980A Sound film printing optical system