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OPW CORP

Overview
  • Total Patents
    22
About

OPW CORP has a total of 22 patent applications. Its first patent ever was published in 1949. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets packaging and shipping, mechanical elements and machines are BRAVO SERGIO M, HOFF STEVENS and JOHNSTON MACK S.

Patent filings in countries

World map showing OPW CORPs patent filings in countries
# Country Total Patents
#1 United States 7
#2 Canada 6
#3 United Kingdom 5
#4 Germany 3
#5 Belgium 1

Patent filings per year

Chart showing OPW CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Boone Wallace D 9
#2 Briede Arthur F 6
#3 Boone Wallace Duane 2
#4 Payne Amos O 1
#5 Martin Fred L 1
#6 Duerr Leonard H 1
#7 Shepherd Raymond P 1
#8 Shepherd Raymond Peter 1

Latest patents

Publication Filing date Title
GB927229A Improvements relating to dispensing nozzles
GB835393A Automatic liquid dispensing nozzles with safety spouts
GB857822A Automatic liquid dispensing nozzles
US2906302A Nozzle valve for dispensing power fluids
US2874735A Automatic liquid dispensing nozzles
US2965116A Emergency shut-off valve for remote pump pedestal units
US2751877A Liquid level signaling device
US2729419A Shock proof loading valve
GB687301A Automatic shut-off dispensing nozzle valve
US2582195A Automatic shutoff dispensing nozzle valve
US2513104A Pedestal-type hydrant
CA607960A Automatic fluid dispensing nozzles
CA574604A Automatic liquid dispensing nozzles
CA552777A Liquid level signaling device
CA552776A Liquid conduit holder for reservoir unloading
CA660231A Under-wing fueling nozzle
CA573801A Control for automatic liquid dispensing nozzle