Learn more

OHLIG ERNEST

Overview
  • Total Patents
    11
About

OHLIG ERNEST has a total of 11 patent applications. Its first patent ever was published in 1986. It filed its patents most often in United States, EPO (European Patent Office) and Canada. Its main competitors in its focus markets optics are FOREIGN DIETERICH CORP, SEIKOO AIKONIKUSU KK and BURTH WILLI.

Patent filings in countries

World map showing OHLIG ERNESTs patent filings in countries
# Country Total Patents
#1 United States 4
#2 EPO (European Patent Office) 3
#3 Canada 2
#4 Ireland 2

Patent filings per year

Chart showing OHLIG ERNESTs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Focus technologies

# Technology
#1 Cameras

Top inventors

# Name Total Patents
#1 Ohlig Ernest 9
#2 Sloop Conrad B 2

Latest patents

Publication Filing date Title
US5006889A Graphic material registration apparatus and method and vacuum hold down apparatus therefor
IE900018L Photographic development method
US4916484A Graphic material registration apparatus and method
IE883689L Graphic material registration apparatus
US4812883A Graphic material registration apparatus and method
US4707125A Photographic registration apparatus and method