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WEIGERT DEDO FILM GMBH

Overview
  • Total Patents
    40
About

WEIGERT DEDO FILM GMBH has a total of 40 patent applications. Its first patent ever was published in 1982. It filed its patents most often in Germany, United States and EPO (European Patent Office). Its main competitors in its focus markets electrical machinery and energy, optics and audio-visual technology are GTY IND, CLAY PAKY SPA and COEMAR SPA.

Patent filings in countries

World map showing WEIGERT DEDO FILM GMBHs patent filings in countries

Patent filings per year

Chart showing WEIGERT DEDO FILM GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Weigert Dedo 21
#2 Weigert Dedo Arndt 10
#3 Chin Depu 5
#4 Knon Guenter 2
#5 Dehubry Frederick 2
#6 Weigert Dedo A 2
#7 Knon Guenther 1
#8 Arndt Weigert Dedo 1
#9 Hubry Frederick F De 1
#10 Hubry Frederick De 1

Latest patents

Publication Filing date Title
EP2787271A1 Lighting device with asymmetric radiation
CN1847724A Has light fixture in order to the integrated device of loading onto the different size soft light cover
EP1610059A2 LED device with a variable beam spreading angle
EP1610055A1 Focusable projector with asymmetrical light distribution
DE10063134A1 Focusable headlight with negative lens
DE19952342A1 Shadow mask production method for use in projector to be assigned in predetermined position for irradiating object using projector designed as gobo or shadow mask projector
DE19939126A1 Headlamp range is designed so that front lens of one headlamp type is identical to inner lens of a larger headlamp type
DE19938952A1 Optical projector system of lamp and reflector includes negative divergent lens between focus and reflector plus heat radiation reflector plate or foil between two lenses
DE19901391A1 Headlights with variable beam angle and with aspherical front lens
EP0846913A1 Spotlight with variable illumination output angle
US5795057A Asymmetrical lamp
US5954415A Illuminating apparatus
DE19631740A1 Lighting device with a wide-angle light distribution
DE4413111A1 Luminaire for even illuminance distribution
DE4300056A1 Barndoor for one lamp
DE4215382C1 LAMP WITH AN ADJUSTABLE GRID DEVICE
US5088812A High-frequency movie camera
US4702577A Film transport device
DE3427115A1 MONITORING DEVICE
DE3330264C1 Film transport device