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WESTINGHOUSE AIR SPRING COMPAN

Overview
  • Total Patents
    33
About

WESTINGHOUSE AIR SPRING COMPAN has a total of 33 patent applications. Its first patent ever was published in 1914. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets transport, mechanical elements and machines are BTR AVS TECHNICAL CENTRE GMBH, LIQUID SPRING INVESTORS LTD and FIRESTONE IND PRODUCTS CO LLC.

Patent filings in countries

World map showing WESTINGHOUSE AIR SPRING COMPANs patent filings in countries
# Country Total Patents
#1 United States 24
#2 Canada 4
#3 United Kingdom 3
#4 France 2

Patent filings per year

Chart showing WESTINGHOUSE AIR SPRING COMPANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Richard Liebau 12
#2 Mcelroy John J 10
#3 Beecher Eugene L 3
#4 Mcelroy John Jerome 2
#5 Sabo Julius G 1

Latest patents

Publication Filing date Title
US1602540A Air spring
US1594349A Expander mechanism for cup washers
US1584351A Air spring
US1602539A Air-spring device
US1599573A Air-spring device
US1603919A Air spring device
US1584350A Pneumatic valve
GB208975A Improvements in and relating to pneumatic cushion devices and methods of operating same
US1602538A Air spring
GB201122A Improvements in and relating to air springs or the like
US1602537A Air spring
US1503274A Automatic air spring
US1602536A Air spring
US1389222A Cup-washer expander
US1565658A Air-spring suspension
US1368563A Air-spring suspension
US1395438A Air-spring suspension
US1368564A Air-spring suspension
US1410934A Air-spring suspension
US1363798A Air-spring suspension