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MCWHIRTER JOHN S

Overview
  • Total Patents
    23
About

MCWHIRTER JOHN S has a total of 23 patent applications. Its first patent ever was published in 1912. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, machines and machine tools are EDWARD POSSON, VIBERG ERNEST R and DOREY GEORGE B.

Patent filings in countries

World map showing MCWHIRTER JOHN Ss patent filings in countries
# Country Total Patents
#1 United States 21
#2 Canada 2

Patent filings per year

Chart showing MCWHIRTER JOHN Ss patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mcwhirter John S 23

Latest patents

Publication Filing date Title
US2098460A Vehicle
US2125456A Vehicle motor drive employing herring bone gears
US2098459A Car truck
US1999418A Wheel refinisher
US1967835A Apparatus for refinishing vehicle wheels
US1913499A Bearing and method of assemdly thereof
US1661730A Air-brake release
US1684405A Journal-bearing construction
US1703200A Lathe chuck
US1719436A Securing device for axle bearings
US1431474A Slot cleaner for street railways
US1409226A Brake-operating mechanism for street cars and similar vehicles
US1338088A Electric heating system
CA167793A Brake for street cars
US1335288A Door-operating means for passenger-vehicles
US1246829A Window-cleaner.
US1395757A Foldable seat for prepayment-cars
US1163764A Automatic tripping mechanism for car-fenders.
US1163675A Brake-operating mechanism.
US1179734A Semi-stepless car.