TREA

comprising a fluid cushion

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Industry

  • CPC
  • E21D15/445
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21DSHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS E21D15/00Props Chocks

Current Industry

E21D15/445comprising a fluid cushion
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Preloadable support
    • Patent number 9,334,735
    • Issue date May 10, 2016
    • Natalie Killassy
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Telescopic pumpable props
    • Patent number 9,140,026
    • Issue date Sep 22, 2015
    • Cougar Can Company Pty Ltd.
    • Craig Douglas Barnett
    • E04 - BUILDING
  • Information Patent Grant

    Support prop
    • Patent number 5,720,581
    • Issue date Feb 24, 1998
    • Dorbyl Limited
    • Michael S. Bacon
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3508408
    • Patent number 3,508,408
    • Issue date Apr 28, 1970
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    2695764
    • Patent number 2,695,764
    • Issue date Nov 30, 1954
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1752101
    • Patent number 1,752,101
    • Issue date Mar 25, 1930
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    PRELOADABLE SUPPORT
    • Publication number 20130336728
    • Publication date Dec 19, 2013
    • Natalie Killassy
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Prop for Mining, Construction and the Like
    • Publication number 20130149044
    • Publication date Jun 13, 2013
    • Craig Douglas Barnett
    • E21 - EARTH DRILLING MINING