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EARL A THOMPSON MFG COMPANY

Overview
  • Total Patents
    22
About

EARL A THOMPSON MFG COMPANY has a total of 22 patent applications. Its first patent ever was published in 1946. It filed its patents most often in United States, United Kingdom and France. Its main competitors in its focus markets machine tools, mechanical elements and control are BLOHM ROBERT, SUNRISE INSTR CO LTD and HUANGSHI GAOCHAO IND & MINING MACHINERY CO LTD.

Patent filings in countries

World map showing EARL A THOMPSON MFG COMPANYs patent filings in countries
# Country Total Patents
#1 United States 8
#2 United Kingdom 6
#3 France 5
#4 Germany 3

Patent filings per year

Chart showing EARL A THOMPSON MFG COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fairchild John D 4
#2 Deberg Walter H Van 3
#3 Van Deberg Walter H 1
#4 Thompson Earl A 1
#5 Herbert Van Deberg Walter 1
#6 Avery Thompson Earl 1

Latest patents

Publication Filing date Title
US3360079A Energy absorber and method
GB1055283A Improvements in or relating to a pressure responsive relief valve
FR1403632A Programmed hydro-mechanical control device
FR1422022A Hydromechanical program control device
GB1045153A Improvements in or relating to fluid pressure operated systems
US3146766A Releasing clutch for lash adjuster
US3087478A Lash adjusting device
US3087477A Lash adjusting device
US3087476A Lash adjusting device
FR1298186A Breakout device as standard in a hydro-mechanical program control unit
GB997232A Improvements in or relating to liquid motion transfer systems
US3224243A Method of thickening the wall of a tube
FR1291097A Improvements to a mechanical-hydraulic control unit
GB981608A Improvements in or relating to supporting mechanism for machine tool feed members
US3093971A Means for varying work cycles
US2492074A Vehicle visor