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WESTINGHOUSE MACHINE CO

Overview
  • Total Patents
    311
About

WESTINGHOUSE MACHINE CO has a total of 311 patent applications. Its first patent ever was published in 1897. It filed its patents most often in United States, France and Canada. Its main competitors in its focus markets engines, pumps and turbines, machines and control are WILKINSON TURBINE COMPANY, ANTON WIBERG OSCAR and PROCNER JAN.

Patent filings in countries

World map showing WESTINGHOUSE MACHINE COs patent filings in countries
# Country Total Patents
#1 United States 223
#2 France 35
#3 Canada 26
#4 United Kingdom 10
#5 Austria 9
#6 Switzerland 6
#7 Germany 2

Patent filings per year

Chart showing WESTINGHOUSE MACHINE COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hodgkinson Francis 35
#2 Westinghouse George 25
#3 Ehrhart Raymond N 16
#4 Herr Herbert T 15
#5 Robinson Cyrus 12
#6 Green Jonathan S 10
#7 Flanders Louis H 8
#8 Lea Henry I 8
#9 Arnold Edwin E 8
#10 Bole William A 8

Latest patents

Publication Filing date Title
GB111467A Improvements in or relating to Marine Turbines.
GB110744A Improvements in Steam Turbine Installations.
GB104168A Improvements in Marine Turbine Installations.
GB104167A Improvements relating to Propelling Apparatus for Vessels.
GB104169A Improvements relating to Turbine Apparatus.
GB101019A Combination Gearing and Thrust Bearing.
US1199036A Relay-controlled heat balance-valve.
GB101530A Power Developing Apparatus.
US1196746A Bridge control.
GB100489A Improvements in or relating to Motor Power Plants.
GB100013A Improvements in or relating to Motor Power Plant.
US1226220A Power-developing apparatus.
GB191511515A Improvements in or relating to Turbine Apparatus.
US1222539A Electric motor system.
CA166290A Marine turbine
US1198635A Heat-balancing valve.
US1222452A Twyer-block.
US1205127A Speed-governor.
US1159862A Furnace.
US1171519A Reducing-valve.