TREA

Robert E. Smallwood

Follow

Person

  • Calgary, CA
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Electromagnetic gap sub assembly
    • Patent number 7,252,160
    • Issue date Aug 7, 2007
    • Weatherford/Lamb, Inc.
    • Tony Dopf
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Subsurface signal transmitting apparatus
    • Patent number 7,093,680
    • Issue date Aug 22, 2006
    • Weatherford/Lamb, Inc.
    • Marvin L. Holbert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Subsurface signal transmitting apparatus
    • Patent number 6,672,383
    • Issue date Jan 6, 2004
    • Weatherford/Lamb, Inc.
    • Marvin L. Holbert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Subsurface signal transmitting apparatus
    • Patent number 6,405,795
    • Issue date Jun 18, 2002
    • Weatherford/Lamb, Inc.
    • Marvin L. Holbert
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Subsurface signal transmitting apparatus
    • Patent number 6,209,632
    • Issue date Apr 3, 2001
    • Marvin L. Holbert
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Electromagnetic gap sub assembly
    • Publication number 20050068703
    • Publication date Mar 31, 2005
    • Tony Dopf
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Subsurface signal transmitting apparatus
    • Publication number 20040134652
    • Publication date Jul 15, 2004
    • Weatherford/Lamb, Inc.
    • Marvin L. Holbert
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Subsurface signal transmitting apparatus
    • Publication number 20020189803
    • Publication date Dec 19, 2002
    • Weatherford/Lamb, Inc.
    • Marvin L. Holbert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Subsurface signal transmitting apparatus
    • Publication number 20020005282
    • Publication date Jan 17, 2002
    • Weatherford/Lamb, Inc.
    • Marvin L. Holbert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...