TREA

James W. Mohrfeld

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary ball valve assembly
    • Patent number 7,278,448
    • Issue date Oct 9, 2007
    • Mogas Industries, Inc.
    • Cynthia Christenson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary ball valve assembly
    • Patent number 6,974,116
    • Issue date Dec 13, 2005
    • EVOLA Limited
    • Cynthia Christenson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball valve with improved seals
    • Patent number 4,815,700
    • Issue date Mar 28, 1989
    • James W. Mohrfeld
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Rotary Ball Valve Assembly
    • Publication number 20070062589
    • Publication date Mar 22, 2007
    • MOGAS INDUSTRIES, INC.
    • Cynthia Christenson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTARY BALL VALVE ASSEMBLY
    • Publication number 20050285070
    • Publication date Dec 29, 2005
    • Cynthia Christenson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...