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QUAKER CITY IRON WORKS

Overview
  • Total Patents
    28
About

QUAKER CITY IRON WORKS has a total of 28 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, mechanical elements and transport are AUGUSTINE DAVIS JR, PHILADELPHIA VALVE COMPANY and WALLBERG KURT AKE.

Patent filings in countries

World map showing QUAKER CITY IRON WORKSs patent filings in countries
# Country Total Patents
#1 United States 27
#2 Canada 1

Patent filings per year

Chart showing QUAKER CITY IRON WORKSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jensen James A 27
#2 Ziegler Ralph B 1
#3 Jensen James Andrew 1

Latest patents

Publication Filing date Title
US2160741A Distributor control valve for tank vehicles
US2127225A Valve operating mechanism for tank vehicles
US2096374A Valve control mechanism for tank vehicles
US2106136A Valve
US2119331A Pipe coupling
US2063843A Rotary fluid-conducting hose reel construction
US2002472A Hose coupling
US1992750A Rotary fluid conducting means
US2006833A Hose nozzle
US1941174A Hose nozzle
US1932972A Valve operating mechanism for tank vehicles
US1935226A Cover securing means
US1985207A Valve control mechanism for tank vehicles
US1980063A Emergency valve for vehicle tanks
US1956423A Manhole construction
US2026501A Tank construction
US1952867A Tank construction
US1973258A Vent for liquid storage tanks
US1906318A Grave vault
US1893942A Safety valve for gasoline tanks and the like