Derek Colin HIRD

Person

  • New Lambton, NSW, AU

Patents Grantslast 30 patents

  • Information Patent Grant

    Encapsulation system and method of installing a rock bolt

    • Patent number 11,236,613
    • Issue date Feb 1, 2022
    • Dywidag-Systems International Pty Limited
    • David William Evans
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Friction bolt assembly

    • Patent number 10,066,483
    • Issue date Sep 4, 2018
    • DYWIDAG-SYSTEMS INTERNATIONAL PTY LIMITED
    • David William Evans
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    ENCAPSULATION SYSTEM AND METHOD OF INSTALLING A ROCK BOLT

    • Publication number 20200300089
    • Publication date Sep 24, 2020
    • DYWIDAG-SYSTEMS INTERNATIONAL PTY LIMITED
    • David William EVANS
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FRICTION BOLT ASSEMBLY

    • Publication number 20160186564
    • Publication date Jun 30, 2016
    • DYWIDAG-SYSTEMS INTERNATIONAL PTY LIMITED
    • David William EVANS
    • E21 - EARTH DRILLING MINING