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CARDWELL WESTINGHOUSE CO

Overview
  • Total Patents
    206
About

CARDWELL WESTINGHOUSE CO has a total of 206 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United States, France and Germany. Its main competitors in its focus markets transport, machines and mechanical elements are MINER INC W H, BROWN PERRY and WILLIAM H MINER.

Patent filings in countries

World map showing CARDWELL WESTINGHOUSE COs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Sproul Donald F 41
#2 Campbell David S 16
#3 Tucker Herbert E 12
#4 Peterson Bertil E 12
#5 Natschke E 9
#6 Natschke E H 8
#7 Peterson B 6
#8 Cardwell Lloyd 5
#9 Natschke Eldred H 5
#10 Wildin George W 5

Latest patents

Publication Filing date Title
US3836180A Cushioned bumper for scrapers
ZA7302309B Friction bolster spring for railroad cars
US3797097A Method for removing draft gear
US3797673A Cushioning arrangement for railroad cars
US3785679A Cushioned bumper for scrapers
GB1341785A Sealed non-spin hand brake arrangement
US3744116A Device for removing draft gear
US3713546A Cushioning arrangement for railroad cars
EG10601A Rubber deraft gear
US3581909A Friction draft gear
US3534870A Double acting hydraulic cushioning device
US3587871A Draft gear
US3512619A Two way automatic brake adjuster
US3483952A Two-way hydraulic unit
US3542212A Double acting hydraulic cushioning device
US3447693A Combined hydraulic cushion-friction clutch draft gear
US3448836A Two way automatic brake adjuster
ES330684A3 An automatic regulator device of two addresses. (Machine-translation by Google Translate, not legally binding)
US3397652A Railway truck bolster dampener
US3368698A Hydraulic draft gear with constant force device