Christopher David Down

Person

  • Suffolk, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Downhole drilling tool

    • Patent number 7,377,337
    • Issue date May 27, 2008
    • Pilot Drilling Control Limited
    • George Swietlik
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Downhole drilling tool

    • Publication number 20090020337
    • Publication date Jan 22, 2009
    • George Swietlik
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Downhole drilling tool

    • Publication number 20080179100
    • Publication date Jul 31, 2008
    • Pilot Drilling Control Limited
    • George Swietlik
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Downhole drilling tool

    • Publication number 20060151216
    • Publication date Jul 13, 2006
    • George Swietlik
    • E21 - EARTH DRILLING MINING