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EDGAR GRETENER DR ING

Overview
  • Total Patents
    16
About

EDGAR GRETENER DR ING has a total of 16 patent applications. Its first patent ever was published in 1949. It filed its patents most often in Germany. Its main competitors in its focus markets optics, electrical machinery and energy and audio-visual technology are EDGAR GRETENER, GRETENER EDGAR DR ING and LAB PARTNERS ASS INC.

Patent filings in countries

World map showing EDGAR GRETENER DR INGs patent filings in countries
# Country Total Patents
#1 Germany 16

Patent filings per year

Chart showing EDGAR GRETENER DR INGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gretener Dr-Ing Edgar 10
#2 Frey Hans Jakob 1
#3 Ehrat Kurt Dipl-Ing 1
#4 Arni Johann Rudolf 1
#5 Frey Hans J 1
#6 Ehrat Kurt 1

Latest patents

Publication Filing date Title
DE1002258B Selectively acting reflector, especially for light sources for projection purposes
DE881060C Secrecy device for telegraph operation