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WESTINGHOUSE ELEC ELEVATOR CO

Overview
  • Total Patents
    178
About

WESTINGHOUSE ELEC ELEVATOR CO has a total of 178 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United States and Canada. Its main competitors in its focus markets packaging and shipping, electrical machinery and energy and machines are EVANS ELEVATOR EQUALIZER COMPA, HENSELER H AG and HAUGHTON ELEVATOR COMPANY.

Patent filings in countries

World map showing WESTINGHOUSE ELEC ELEVATOR COs patent filings in countries
# Country Total Patents
#1 United States 177
#2 Canada 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 James Dunlop 33
#2 Eames William F 31
#3 Williams Harold W 29
#4 Mccormick Harold V 22
#5 Bouton Edgar M 20
#6 Danilo Santini 12
#7 Ellis Jr Charles E 8
#8 White Kenneth M 7
#9 Jones Richard W 6
#10 Carney Charles F 6

Latest patents

Publication Filing date Title
US2447664A Electrostatic coating apparatus and method
US2359092A Elevator control system
US2359179A Elevator control system
US2363302A Elevator control system
US2361170A Elevator control system
US2326046A Elevator safety apparatus
US2298167A Elevator safety device
US2313955A Elevator control system
US2298174A Elevator control system
US2298111A Elevator control system
US2289107A Brake
US2300953A Interlock circuit for vertical door operators
US2295381A Compensating sheave for elevators
US2253386A Moving stairway
US2259366A Electric stairway
US2290714A Elevator dispatching system
US2326086A Inductor switch
US2231709A Moving stairway
US2225772A Moving stairway
US2221610A Electrical control system