TREA

Terry R. Matthias

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  • Longlevens, Gloucestershire, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cutting element
    • Patent number 10,000,976
    • Issue date Jun 19, 2018
    • Nov Downhole Eurasia Limited
    • Terry Matthias
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Cutting element
    • Patent number 10,000,975
    • Issue date Jun 19, 2018
    • Nov Downhole Eurasia Limited
    • Alan Honggen Jiang
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole components for use in subsurface drilling
    • Patent number 5,819,862
    • Issue date Oct 13, 1998
    • Terry R. Matthias
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Cutting Element
    • Publication number 20160047170
    • Publication date Feb 18, 2016
    • NOV Downhole Eurasia Limited
    • Terry Matthias
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Cutting Element
    • Publication number 20150368981
    • Publication date Dec 24, 2015
    • NOV Downhole Eurasia Limited
    • Alan Honggen Jiang
    • E21 - EARTH DRILLING MINING