TREA

Andrew Michael Duggan

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  • Aberden, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tubing expansion
    • Patent number 8,746,028
    • Issue date Jun 10, 2014
    • Weatherford/Lamb, Inc.
    • Andrew Michael Duggan
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Bore isolation
    • Patent number 7,798,223
    • Issue date Sep 21, 2010
    • Weatherford/Lamb, Inc.
    • Andrew Michael Duggan
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Coupling tubulars
    • Patent number 7,578,043
    • Issue date Aug 25, 2009
    • Weatherford/Lamb, Inc.
    • Neil Andrew Abercrombie Simpson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tubing expansion
    • Patent number 7,367,389
    • Issue date May 6, 2008
    • Weatherford/Lamb, Inc.
    • Andrew Michael Duggan
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Seal
    • Patent number 7,357,189
    • Issue date Apr 15, 2008
    • Weatherford/Lamb, Inc.
    • Walter Aldaz
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tubing expansion
    • Patent number 7,255,177
    • Issue date Aug 14, 2007
    • Weatherford/Lamb, Inc.
    • Andrew Michael Duggan
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Bore-lining tubing and method of use
    • Patent number 7,111,680
    • Issue date Sep 26, 2006
    • Weatherford/Lamb, Inc.
    • Andrew Michael Duggan
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tubing expansion tool
    • Patent number 7,086,477
    • Issue date Aug 8, 2006
    • Weatherford/Lamb, Inc.
    • Andrew Michael Duggan
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Bore isolation
    • Patent number 7,066,259
    • Issue date Jun 27, 2006
    • Weatherford/Lamb, Inc.
    • Andrew Michael Duggan
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Coupling tubulars
    • Publication number 20080007060
    • Publication date Jan 10, 2008
    • Neil Andrew Abercrombie Simpson
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    BORE ISOLATION
    • Publication number 20060283607
    • Publication date Dec 21, 2006
    • Andrew Michael Duggan
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Tubing expansion
    • Publication number 20060052936
    • Publication date Mar 9, 2006
    • Andrew Michael Duggan
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Tubing expansion
    • Publication number 20050161226
    • Publication date Jul 28, 2005
    • Andrew Michael Duggan
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Seal
    • Publication number 20050016740
    • Publication date Jan 27, 2005
    • Walter Aldaz
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Tubing expansion
    • Publication number 20050005668
    • Publication date Jan 13, 2005
    • Andrew Michael Duggan
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    Tubing expansion tool
    • Publication number 20040045720
    • Publication date Mar 11, 2004
    • Weatherford/Lamb, Inc.
    • Andrew Michael Duggan
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Bore-lining tubing
    • Publication number 20040031530
    • Publication date Feb 19, 2004
    • Weatherford/Lamb, Inc.
    • Andrew Michael Duggan
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Coupling tubulars
    • Publication number 20040017081
    • Publication date Jan 29, 2004
    • Neil Andrew Abercrombie Simpson
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Bore isolation
    • Publication number 20030146003
    • Publication date Aug 7, 2003
    • Andrew Michael Duggan
    • E21 - EARTH DRILLING MINING