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SCHWITZER CORP

Overview
  • Total Patents
    178
About

SCHWITZER CORP has a total of 178 patent applications. Its first patent ever was published in 1951. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and machines are HOUSEHOLD MFG INC, GELENKWELLENBAU GMBH and SPICER GELENKWELLENBAU GMBH.

Patent filings in countries

World map showing SCHWITZER CORPs patent filings in countries
# Country Total Patents
#1 United States 47
#2 United Kingdom 44
#3 Canada 34
#4 Germany 30
#5 France 19
#6 Sweden 4

Patent filings per year

Chart showing SCHWITZER CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Weir Thomas J 29
#2 Hardy James A 13
#3 Troyer William J 10
#4 Weir Thomas James 7
#5 Bozzola Riccardo A 7
#6 Katzenberger Ralph H 6
#7 Mcgavern Sanford A 6
#8 Woollenweber William E Jr 6
#9 Woollenweber Jr William E 5
#10 Paul Gerhard 4

Latest patents

Publication Filing date Title
US3303719A Viscous torsional vibration damper with centering and sealing means
GB1096661A Combination pressure and thermal relief system
GB1084730A Improvements in and relating to fluid coupling devices
GB1085321A Improvements in and relating to the supercharging of internal combustion engines
GB1058994A Improvements in and relating to gas driven turbine assemblies
GB1080722A Improvements in or relating to fluid couplings
DE1451918B1 Braking device for exhaust gas turbocharger
US3218029A Turbine housing for turbochargers
GB1029496A Improvements in and relating to turbochargers
US3262528A Variable fluid torque coupling
GB1036363A Improvements in and relating to flexible couplings
GB1043112A Improvements in or relating to turbochargers for internal combustion engines
US3250355A Remote control fluid coupling
US3179210A Turbo-charger shaft brake
US3174553A Reversible fan assembly
GB1027605A A temperature modulated fluid coupling
US3174360A Vibration damper
US3200485A Method of fabricating vibration damper
US3194372A Variable volume coupling mechanism
DE1238722B Control device for exhaust gas turbocharger