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NEYRFOR-WEIR LIMITED

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  • WINDSOR, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Downhole motor assembly
    • Patent number 6,629,571
    • Issue date Oct 7, 2003
    • Neyrfor-Weir Limited
    • Andrew Downie
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Stabilization devices for drill motors
    • Patent number 5,853,053
    • Issue date Dec 29, 1998
    • Neyrfor-Weir Limited
    • David Andrew Gilchrist
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

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