TREA

Virginia Valve Company

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  • Salem, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic position-control valve assembly
    • Patent number 6,354,327
    • Issue date Mar 12, 2002
    • Virginia Valve Company
    • John Mayhew
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve position controller
    • Patent number 5,654,885
    • Issue date Aug 5, 1997
    • Virginia Valve Company Corporation
    • John Mayhew
    • G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

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