Andrew S. Gilbert

Person

  • Welshpool, AU

Patents Grantslast 30 patents

  • Information Patent Grant

    Down-hole hammer drill

    • Patent number 9,038,751
    • Issue date May 26, 2015
    • Airdrill Hammers and Bits Pty Ltd
    • Andrew S. Gilbert
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Down-hole hammer drill

    • Patent number 8,347,988
    • Issue date Jan 8, 2013
    • Andrew S. Gilbert
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Down-Hole Hammer Drill

    • Publication number 20130008722
    • Publication date Jan 10, 2013
    • Andrew S. Gilbert
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Down-hole Hammer Drill

    • Publication number 20100252330
    • Publication date Oct 7, 2010
    • Andrew S. Gilbert
    • E21 - EARTH DRILLING MINING