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WILLIAMS CALVIN C

Overview
  • Total Patents
    18
About

WILLIAMS CALVIN C has a total of 18 patent applications. Its first patent ever was published in 1917. It filed its patents most often in United States and Canada. Its main competitors in its focus markets engines, pumps and turbines, machines and mechanical elements are HENRY PILLING, JOHANN KUPKA and HUGO LENTZ.

Patent filings in countries

World map showing WILLIAMS CALVIN Cs patent filings in countries
# Country Total Patents
#1 United States 17
#2 Canada 1

Patent filings per year

Chart showing WILLIAMS CALVIN Cs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Williams Calvin C 18
#2 Judson Williams 1

Latest patents

Publication Filing date Title
US2943608A Steam engine
US2513982A Radial steam engine with water release mechanism
US2413935A Pump
US2402699A Steam engine
US2312057A Mechanical movement
US2159465A Selective speed transmission and coaster brake
US1772531A Mechanical movement
US1789207A Mechanical movement
US1806231A Valve actuating mechanism
US1784036A Valve-actuating mechanism
US1806230A Valve actuating mechanism
US1806229A Valve actuating mechanism
US1734842A Valve-actuating mechanism
US1915586A Valve actuating mechanism
US1424542A Power-transmission mechanism
US1386827A Child's vehicle
US1330827A Fan-motor
CA663317A Steam engine