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HART WILLIAM E

Overview
  • Total Patents
    16
About

HART WILLIAM E has a total of 16 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United States and Canada. Its main competitors in its focus markets engines, pumps and turbines, transport and machines are SIEMENS VDO AUTOMOTIVE CORP, STEWARTWARNER SPEEDOMETER CORP and SIEMENS AUTOMOTIVE CORP LP.

Patent filings in countries

World map showing HART WILLIAM Es patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 1

Patent filings per year

Chart showing HART WILLIAM Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hart William E 16

Latest patents

Publication Filing date Title
US2278876A Fishing fly
US1757666A Liquid-fuel-feeding device for motor vehicles
US1682507A Automobile bumper
US1680879A Automobile bumper
US1684093A Automobile bumper
US1724582A Liquid-fuel-elevating device for motor vehicles
US1670963A Automobile bumper
US1616045A Vacuum tank
US1582011A Piston-ring tool
US1639181A Vacuum fuel-feed tank
US1582988A Vacuum fuel-feed tank
US1502631A Vacuum fuel-feed tank
US1231736A Tail-light and signal for automobiles.
US927652A Rural-mail-box signal.
US810534A Fly-screen.
CA207620A Commutator and distributor