TREA

Richard E. Widdowson

Follow

Person

  • Dayton, OH, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotisserie grill
    • Patent number 4,572,062
    • Issue date Feb 25, 1986
    • Richard E. Widdowson
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Pressure transducer
    • Patent number 4,433,321
    • Issue date Feb 21, 1984
    • General Motors Corporation
    • Richard E. Widdowson
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Two-stage flow restrictor valve assembly
    • Patent number 4,375,228
    • Issue date Mar 1, 1983
    • General Motors Corporation
    • Richard E. Widdowson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Thermostatic expansion valve for a refrigeration system
    • Patent number 4,342,421
    • Issue date Aug 3, 1982
    • General Motors Corporation
    • Richard E. Widdowson
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Universal internal tube accumulator
    • Patent number 4,270,934
    • Issue date Jun 2, 1981
    • General Motors Corporation
    • Richard E. Widdowson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Pressure operated hydraulic control valve
    • Patent number 4,236,875
    • Issue date Dec 2, 1980
    • General Motors Corporation
    • Richard E. Widdowson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor modulation delay valve for variable capacity compressor
    • Patent number 4,231,713
    • Issue date Nov 4, 1980
    • General Motors Corporation
    • Richard E. Widdowson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Modulated throttling valve
    • Patent number 3,965,693
    • Issue date Jun 29, 1976
    • General Motors Corporation
    • Richard E. Widdowson
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Piloted freeze throttling valve
    • Patent number 3,962,884
    • Issue date Jun 15, 1976
    • General Motors Corporation
    • Richard E. Widdowson
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Piloted throttling valve
    • Patent number 3,953,984
    • Issue date May 4, 1976
    • General Motors Corporation
    • Richard E. Widdowson
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...