TREA

Bernd Reinholdt

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  • Langenhagen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for drilling with casing
    • Patent number 8,281,877
    • Issue date Oct 9, 2012
    • Weatherford/Lamb, Inc.
    • David Shahin
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Positioning and spinning device
    • Patent number 7,509,722
    • Issue date Mar 31, 2009
    • Weatherford/Lamb, Inc.
    • David Shahin
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Cleaning and doping of tubulars
    • Patent number 7,371,289
    • Issue date May 13, 2008
    • Weatherford/Lamb, Inc.
    • Bernd Reinholdt
    • B08 - CLEANING
  • Information Patent Grant

    Method and apparatus for drilling with casing
    • Patent number 7,140,445
    • Issue date Nov 28, 2006
    • Weatherford/Lamb, Inc.
    • David Shahin
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method for aligning tubulars
    • Patent number 7,043,814
    • Issue date May 16, 2006
    • Weatherford/Lamb, Inc.
    • Jimmy Lawrence Hollingsworth
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Method for aligning tubulars
    • Patent number 6,591,471
    • Issue date Jul 15, 2003
    • Weatherford/Lamb, Inc.
    • Jimmy Lawrence Hollingsworth
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Centralizer
    • Patent number 6,453,999
    • Issue date Sep 24, 2002
    • Weatherford/Lamb, Inc.
    • Bernd Reinholdt
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Centralizer
    • Patent number 5,881,810
    • Issue date Mar 16, 1999
    • Weatherford/Lamb, Inc.
    • Bernd Reinholdt
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Centralizer for centring drilling and casing pipes and centralizing...
    • Patent number 5,238,062
    • Issue date Aug 24, 1993
    • Weatherford/Lamb, Inc.
    • Bernd Reinholdt
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Apparatus for screwing pipes together
    • Patent number 4,492,134
    • Issue date Jan 8, 1985
    • Weatherford Oil Tool GmbH
    • Bernd Reinholdt
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents