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THOMPSON PROD INC

Overview
  • Total Patents
    1,835
About

THOMPSON PROD INC has a total of 1,835 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machines, mechanical elements and engines, pumps and turbines are TRW EHRENREICH GMBH, MOSKOVITZ MILTON A and NAGLE IND INC.

Patent filings in countries

World map showing THOMPSON PROD INCs patent filings in countries
# Country Total Patents
#1 United States 871
#2 Canada 402
#3 United Kingdom 318
#4 France 196
#5 Germany 42
#6 Switzerland 3
#7 Austria 2
#8 Australia 1

Patent filings per year

Chart showing THOMPSON PROD INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Booth James H 127
#2 Hufferd George H 111
#3 Graham Matthew P 105
#4 Colwell Archie T 51
#5 Herbenar Edward J 48
#6 Rush Snyder Jacob 35
#7 Norton Samuel H 34
#8 Anthony Venditty 30
#9 Curtis Russell R 29
#10 Crawford Frederick C 29

Latest patents

Publication Filing date Title
US3197694A Method and apparatus for measuring magnetic fields using resonance radiation from a gas in the field
DE1156284B Device for generating a rotary movement between two parts of valves
GB888006A Improvements in or relating to assemblies for effecting relative rotation of a pair of members, and methods of assembling such assemblies
US2933309A Leveling strut joint
DE1150584B Vehicle suspension by means of hydropneumatic spring struts with a device for automatically keeping the altitude constant
US2922403A Nutating disc motor
GB865359A Improvements in or relating to automatic levelling suspensions for vehicles
US2881745A Valve rotating device
GB862369A Improvements in or relating to ball joints
US2873730A Fulcrum adjuster
US2914965A Control system for transmission
US2860300A Electric circuit
GB800069A Improvements in or relating to valve seats and alloys therefor
US2882079A Radial and longitudinal stressabsorbing suspension pivot
DE1170200B Ball joint
GB857666A Improvements in or relating to alternator control systems
GB849529A Improvements in or relating to hydrodynamic brake systems
US2863263A Work support
DE1163089B Sealing cap for the outlet opening of a hinge pin from a hinge housing
GB809881A Improvements in or relating to seals for pivot joints