TREA

Robert S. Sivley, IV

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mid-seal for expandable connections
    • Patent number 8,177,262
    • Issue date May 15, 2012
    • Hydril Company L.P.
    • Robert S. Sivley, IV
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Single taper wedge thread connection with mid-seal
    • Patent number 8,029,025
    • Issue date Oct 4, 2011
    • Hydril Company
    • Robert S. Sivley, IV
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mismatched flanks for a wedge thread
    • Patent number 7,686,350
    • Issue date Mar 30, 2010
    • Hydril LLC
    • Harris A. Reynolds, Jr.
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Helical groove for a tubular connection
    • Patent number 7,607,333
    • Issue date Oct 27, 2009
    • Hydril LLC
    • Robert S. Sivley, IV
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dope relief method for wedge thread connections
    • Patent number 7,578,039
    • Issue date Aug 25, 2009
    • Hydril LLC
    • Harris A. Reynolds, Jr.
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Floating wedge thread for tubular connection
    • Patent number 7,527,304
    • Issue date May 5, 2009
    • Hydril LLC
    • David Llewellyn Mallis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Coupled connection with an externally supported pin nose seal
    • Patent number 7,478,842
    • Issue date Jan 20, 2009
    • Hydril LLC
    • Harris A. Reynolds, Jr.
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Threaded connection with variable flank angles
    • Patent number 7,475,917
    • Issue date Jan 13, 2009
    • Hydril Company
    • Robert S. Sivley, IV
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Threaded connection especially for radically plastically expandable...
    • Patent number 7,469,938
    • Issue date Dec 30, 2008
    • Hydril Company
    • Robert S. Sivley, IV
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Expansion pig
    • Patent number 7,383,888
    • Issue date Jun 10, 2008
    • Hydril Company
    • Robert S. Sivley, IV
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Expandable threaded connection
    • Patent number 7,380,840
    • Issue date Jun 3, 2008
    • Hydril Company
    • Robert S. Sivley, IV
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Expansion pig
    • Patent number 7,191,841
    • Issue date Mar 20, 2007
    • Hydril Company L.P.
    • Robert S. Sivley, IV
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Threaded connection especially for radially plastically expandable...
    • Patent number 6,976,711
    • Issue date Dec 20, 2005
    • Hydril Company L.P.
    • Robert S. Sivley, IV
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...