Clive John French

Person

  • Jambes, BE

Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for cleaning boreholes

    • Patent number 6,695,058
    • Issue date Feb 24, 2004
    • Quartech Engineering Limited
    • Clive French
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydraulic control assembly

    • Patent number 6,595,296
    • Issue date Jul 22, 2003
    • Quartech Engineering Limited
    • Clive John French
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Valve assembly

    • Patent number 6,508,309
    • Issue date Jan 21, 2003
    • Quartech Engineering Limited
    • Clive John French
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Valve assembly

    • Publication number 20030094285
    • Publication date May 22, 2003
    • Clive John French
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Downhole tool

    • Publication number 20020157824
    • Publication date Oct 31, 2002
    • Clive John French
    • E21 - EARTH DRILLING MINING