TREA

Dennis D. Shumard

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  • Eastland, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Concentric pipe joint restraint
    • Patent number 6,786,517
    • Issue date Sep 7, 2004
    • Dennis D. Shumard
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Joint restraint
    • Patent number 6,173,993
    • Issue date Jan 16, 2001
    • EBAA Iron, Inc.
    • Dennis D. Shumard
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Wedge assembly restraint
    • Patent number 5,544,922
    • Issue date Aug 13, 1996
    • EBAA Iron, Inc.
    • Dennis D. Shumard
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Segmented pipe joint retainer glands
    • Patent number 4,896,903
    • Issue date Jan 30, 1990
    • Ebaa Iron Inc.
    • Dennis D. Shumard
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Segmented pipe joint retainer glands
    • Patent number 4,779,900
    • Issue date Oct 25, 1988
    • Ebaa Iron Inc.
    • Dennis D. Shumard
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Concentric pipe joint restraint
    • Publication number 20030085573
    • Publication date May 8, 2003
    • Dennis D. Shumard
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...