TREA

Ralph W. Vanderburg

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  • Longview, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    In-service test valve
    • Patent number 4,527,770
    • Issue date Jul 9, 1985
    • Axelson, Inc.
    • Ralph W. Vanderburg
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    In-service test valve
    • Patent number 4,480,653
    • Issue date Nov 6, 1984
    • Axelson, Inc.
    • Ralph W. Vanderburg
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve self-relieving seats
    • Patent number 4,434,967
    • Issue date Mar 6, 1984
    • Axelson, Inc.
    • Ralph W. Vanderburg
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve construction for sand and slurry service
    • Patent number 4,354,663
    • Issue date Oct 19, 1982
    • U.S. Industries, Inc.
    • Ralph W. Vanderburg
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...