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GRUNWALD PROJEKTOREN AG

Overview
  • Total Patents
    15
About

GRUNWALD PROJEKTOREN AG has a total of 15 patent applications. Its first patent ever was published in 1988. It filed its patents most often in Germany, United Kingdom and EPO (European Patent Office). Its main competitors in its focus markets optics, audio-visual technology and electrical machinery and energy are ASANUMA CAMERA MECHANICAL LAB, STUDIO ARISU KK and LASTOLITE LTD.

Patent filings in countries

World map showing GRUNWALD PROJEKTOREN AGs patent filings in countries
# Country Total Patents
#1 Germany 10
#2 United Kingdom 3
#3 EPO (European Patent Office) 2

Patent filings per year

Chart showing GRUNWALD PROJEKTOREN AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Grunwald Peter Hein 9
#2 Gruenwald Peter Hein 1
#3 Grunwald Peter-Hein 1
#4 Grunwald Peter H 1

Latest patents

Publication Filing date Title
DE19538272A1 LCD overhead projector with metal vapour bulb
DE19538141A1 LCD projector
DE19538271A1 LCD projector
DE19538270A1 Projector with metal halide lamp
DE4412037A1 Circuit-breaker for electric HV line
DE4412038A1 Optical projector for use with liquid crystal displays
EP0670512A1 Overhead projector to project images displayed on a LCD
EP0671652A1 Liquid crystal display device for use with or in an overhead projector
DE4128059A1 LCD projector, partic. for slide or overhead projection. - comprises lamp, reflector and condenser constituting light source, picture stage, and lens
DE4029659A1 Overhead projector - comprises writing plate-fresnel lens with attached bearer arm supporting projection head
DE4007505A1 Liquid crystal display image colour projector - has light beam deflected at angle via prisms in front and behind liquid crystal display modules
DE3828562A1 Transmitted-light projector