TREA

Longwall Roof Supports Limited

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  • Wigan, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Swivel coupler
    • Patent number 5,735,552
    • Issue date Apr 7, 1998
    • Longwall Roof Supports Limited
    • Peter Elliott-Moore
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid filtering unit with movable collector for cleaning
    • Patent number 5,558,761
    • Issue date Sep 24, 1996
    • Longwall Roof Supports Limited
    • Peter Elliot-Moore
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Yield valve
    • Patent number 5,454,669
    • Issue date Oct 3, 1995
    • Longwall Roof Supports Limited
    • Christopher J. Oziem
    • E21 - EARTH DRILLING MINING