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Merle E. Evans

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  • Spring, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dynamic load expansion test bench and method of expanding a tubular
    • Patent number 9,044,802
    • Issue date Jun 2, 2015
    • Weatherford Technology Holdings, LLC
    • Merle E. Evans
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus and methods to protect connections
    • Patent number 8,181,707
    • Issue date May 22, 2012
    • Weatherford/Lamb, Inc.
    • Merle E. Evans
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Energizing seal for expandable connections
    • Patent number 7,887,103
    • Issue date Feb 15, 2011
    • Watherford/Lamb, Inc.
    • Merle E. Evans
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Apparatus and methods to protect connections
    • Patent number 7,798,238
    • Issue date Sep 21, 2010
    • Weatherford/Lamb, Inc.
    • Merle E. Evans
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Reverse sliding seal for expandable tubular connections
    • Patent number 7,798,536
    • Issue date Sep 21, 2010
    • Weatherford/Lamb, Inc.
    • Ghazi J. Hashem
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Corrosion seal for threaded connections
    • Patent number 6,811,189
    • Issue date Nov 2, 2004
    • Grant Prideco, L.P.
    • Richard W. DeLange
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Threaded connection with high compressive rating
    • Patent number 6,581,980
    • Issue date Jun 24, 2003
    • Grant Prideco, L.P.
    • Richard W. DeLange
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Buttress thread form
    • Patent number 5,092,635
    • Issue date Mar 3, 1992
    • Baker Hughes Incorporated
    • Richard W. DeLange
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pipe joint
    • Patent number 4,591,195
    • Issue date May 27, 1986
    • J. B. N. Morris
    • K. Darrel Chelette
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents