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BARR WILLIAM A

Overview
  • Total Patents
    17
About

BARR WILLIAM A has a total of 17 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets transport, mechanical elements and civil engineering are GUANGXI LANGUANG TECHNOLOGY CO LTD, MEYERLE MICHAEL and ZEXEL TORSEN INC.

Patent filings in countries

World map showing BARR WILLIAM As patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 5
#3 WIPO (World Intellectual Property Organization) 3
#4 Mexico 1

Patent filings per year

Chart showing BARR WILLIAM As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Barr William A 17
#2 Gainer John L 1

Latest patents

Publication Filing date Title
WO0064704A1 Vehicle automatic transmission safety system
WO9818651A1 Vehicle door lock, shift lever interlock system
WO9639312A1 Vehicle door lock, shift lever interlock system
US5015991A Alarm system for vehicle automatic transmission
US4640554A Valve assembly for use in brake pressure control unit
US4549745A Fifth wheel coupler
US4668020A Valve assembly for use in brake pressure control unit
CA1214117A Safety parking brake for automatic transmissions
CA1191797A Means for increasing the safety of parking brake mechanism of automatic transmissions
CA1188346A King pin for tractor trailer fifth wheel coupling
US4518066A Safety parking brake for automatic transmissions
US4455036A King pin for tractor trailer fifth wheel coupling
US673152A Mail-box.