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THOMPSON EARL A

Overview
  • Total Patents
    78
About

THOMPSON EARL A has a total of 78 patent applications. Its first patent ever was published in 1918. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machine tools, machines and engines, pumps and turbines are INGENIOUS DEVICES LTD, NEWAY MFG and PHILLIPS J D CORP.

Patent filings in countries

World map showing THOMPSON EARL As patent filings in countries
# Country Total Patents
#1 United States 43
#2 Canada 35

Patent filings per year

Chart showing THOMPSON EARL As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Thompson Earl A 78

Latest patents

Publication Filing date Title
US3314404A Engine valve operating mechanism
US3299680A Rolling machine for forming tubular workpieces
US3302923A Turbine
US3218760A Oscillator with free piston
US3142357A Rocker arm
US3198026A Mechanico-hydraulic power and control unit
US3087479A Mechanical lash adjuster
US3087475A Mechanical lash adjuster
US3143007A Hydraulic assist for press
US3103769A Precision feed motion arrester
US3025646A Spindle
US3025643A Wheel oscillator
US3176440A Method and apparatus for grinding a cylindrical surface
US3106823A Mechanico-hydraulic drive unit
US3043059A Precision feed mechanism
US3054392A Metering valve
US3099221A Centrifugal pump
US3023055A Pressure fed rocker shoe bearing
US3079906A Automatic wheel dresser
US2997570A Fusing method