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NIEZOLDI & KRAEMER GMBH

Overview
  • Total Patents
    138
About

NIEZOLDI & KRAEMER GMBH has a total of 138 patent applications. Its first patent ever was published in 1929. It filed its patents most often in Germany, Switzerland and Austria. Its main competitors in its focus markets optics, electrical machinery and energy and measurement are IHAGEE KAMERAWERK AG, INON KK and TAKAGI MUTSUMI.

Patent filings in countries

World map showing NIEZOLDI & KRAEMER GMBHs patent filings in countries
# Country Total Patents
#1 Germany 55
#2 Switzerland 29
#3 Austria 21
#4 United States 20
#5 France 13

Patent filings per year

Chart showing NIEZOLDI & KRAEMER GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Roth Johann 26
#2 Johann Roth 14
#3 Steibl Theodor 9
#4 Roppel Alfred 7
#5 Kraemer Georg 7
#6 Fuerst Josef 7
#7 Niezoldi Georg 6
#8 Anderl Peter 6
#9 Leistner Rudolf 6
#10 Schleiermacher Ludwig 5

Latest patents

Publication Filing date Title
US3762806A Motion picture camera
US3724936A Motion picture camera
US3694065A Transporting mechanism for motion picture film
US3690748A Motion picture camera with a fade-over device
US3692393A Movie camera with delayed release and scene limiting circuits
DE1956973A1 Movie light
US3602789A Circuit arrangement for controlling the number and direction of revolution of a fractional dc motor in movie cameras
US3583801A Pulldown mechanism for cinematographic apparatus
US3602584A Electromagnetic release arrangement for motion picture cameras
US3672268A Photographic apparatus for use in daylight and artificial light
US3585324A Switch and reel device for remote-control operation of photographic apparatus
US3603678A Motion-picture camera
US3578853A Motion picture camera
US3578854A Motion picture projector
US3531194A Motion picture camera with adjustable shutter
US3602586A Motion picture camera
US3602585A Adjustable shutter for motion picture cameras
US3539253A Photographic camera with a detachable handle
US3521948A Exposure control for photographic cameras
FR1534638A Camera