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Harry Roger

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  • Lafayette, LA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    High and low pressure sensor
    • Patent number 4,512,370
    • Issue date Apr 23, 1985
    • Harry Roger
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dual piston sensing mechanism
    • Patent number 4,420,011
    • Issue date Dec 13, 1983
    • Harry Roger
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Adjustable pressure sensing piston mechanism
    • Patent number 4,304,253
    • Issue date Dec 8, 1981
    • Roy; J. Edwin
    • Harry Roger
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Adjustable pressure sensing piston mechanism
    • Patent number 4,258,741
    • Issue date Mar 31, 1981
    • Roy; J. Edwin
    • Harry Roger
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bypass valve assembly and system
    • Patent number 4,252,146
    • Issue date Feb 24, 1981
    • Harry Roger
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Relay indicator valve
    • Patent number 4,197,867
    • Issue date Apr 15, 1980
    • Harry Roger
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bypass valve assembly and system
    • Patent number 4,188,974
    • Issue date Feb 19, 1980
    • Harry Roger
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Check valve
    • Patent number 4,176,679
    • Issue date Dec 4, 1979
    • Harry Roger
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve assembly
    • Patent number 4,085,772
    • Issue date Apr 25, 1978
    • Harry Roger
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...