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WESTREX CO LTD

Overview
  • Total Patents
    22
About

WESTREX CO LTD has a total of 22 patent applications. Its first patent ever was published in 1971. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets optics and civil engineering are BRONICA CO LTD, ADVANCED IMAGE SYSTEMS INC and NOUVEAUTES CINEMATOGRAPHIQUES.

Patent filings in countries

World map showing WESTREX CO LTDs patent filings in countries
# Country Total Patents
#1 Germany 5
#2 France 4
#3 United Kingdom 4
#4 United States 4
#5 India 2
#6 Belgium 1
#7 Switzerland 1
#8 Japan 1

Patent filings per year

Chart showing WESTREX CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Osborn Leroy Gordon 7
#2 Brownlee George Hunnam 6
#3 Robins Peter 2
#4 Robertson Penrose David 2
#5 Brownlee G H 1
#6 Osborn L 1
#7 Penroozu Deebitsudo Robaatoson 1
#8 Osborn Leroy G 1
#9 Brownlee G 1
#10 Osborn L G 1

Latest patents

Publication Filing date Title
US3947101A Mechanical drive arrangements
GB1476172A Spooling arrangements for endless band material
GB1451794A Cinematograph film transport mechanism
GB1468353A Cinematorgraph projectors
GB1400706A Film pay-off and take-up apparatus for a kinematograph film projector