TREA

Dowty Mining Equipment Limited

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  • Tewkesbury, GB
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Appartaus for mounting ancillary equipment
    • Patent number 4,934,758
    • Issue date Jun 19, 1990
    • Dowty Mining Equipment Limited
    • Colin R. Walters
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof supports
    • Patent number 4,732,511
    • Issue date Mar 22, 1988
    • Dowty Mining Equipment Ltd.
    • Dennis F. Rutherford
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fluid filtering systems
    • Patent number 4,636,306
    • Issue date Jan 13, 1987
    • Dowty Mining Equipment Limited
    • Paul Radmall
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Shield supports suitable for use in mines
    • Patent number 4,629,368
    • Issue date Dec 16, 1986
    • Dowty Mining Equipment Limited
    • Nigel Hill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Roof support suitable for use in mines
    • Patent number 4,609,308
    • Issue date Sep 2, 1986
    • Dowty Mining Equipment Limited
    • Nigel Hill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Shield supports suitable for use in mines
    • Patent number 4,607,986
    • Issue date Aug 26, 1986
    • Dowty Mining Equipment Limited
    • Stephen A. Brown
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Roof support suitable for use in mines
    • Patent number 4,573,828
    • Issue date Mar 4, 1986
    • Dowty Mining Equipment Limited
    • Michael D. Jones
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine-roof supports
    • Patent number 4,568,222
    • Issue date Feb 4, 1986
    • Dowty Mining Equipment Limited
    • Nigel Hill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof support system
    • Patent number 4,552,488
    • Issue date Nov 12, 1985
    • Dowty Mining Equipment Limited
    • Peter Elliott-Moore
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Roof support suitable for use in mines
    • Patent number 4,548,527
    • Issue date Oct 22, 1985
    • Dowty Mining Equipment Limited
    • Christopher J. Bishop
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Roof support suitable for use in mines
    • Patent number 4,512,686
    • Issue date Apr 23, 1985
    • Dowty Mining Equipment Limited
    • John H. Waters
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Roof support for use in mines
    • Patent number 4,492,495
    • Issue date Jan 8, 1985
    • Dowty Mining Equipment Limited
    • Dennis F. Rutherford
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Self-advancing support and control means therefor
    • Patent number 4,491,441
    • Issue date Jan 1, 1985
    • Dowty Mining Equipment Limited
    • Reginald E. Freeman
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof supports
    • Patent number 4,473,324
    • Issue date Sep 25, 1984
    • Dowty Mining Equipment Limited
    • Stephen P. Cook
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof support
    • Patent number 4,432,673
    • Issue date Feb 21, 1984
    • Dowty Mining Equipment Limited
    • Adrian C. Buckmaster
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Roof support suitable for use in mines
    • Patent number 4,430,026
    • Issue date Feb 7, 1984
    • Dowty Mining Equipment Limited
    • Nigel Hill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydraulically-operated devices
    • Patent number 4,422,808
    • Issue date Dec 27, 1983
    • Dowty Mining Equipment Limited
    • Stephen P. Cook
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Roof support suitable for use in mines
    • Patent number 4,411,558
    • Issue date Oct 25, 1983
    • Dowty Mining Equipment Limited
    • Dennis F. Rutherford
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mining apparatus
    • Patent number 4,330,154
    • Issue date May 18, 1982
    • Dowty Mining Equipment Limited
    • Robert G. Harris
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof support
    • Patent number 4,132,081
    • Issue date Jan 2, 1979
    • Dowty Mining Equipment Limited
    • John H. Walker
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof support
    • Patent number 4,126,002
    • Issue date Nov 21, 1978
    • Dowty Mining Equipment Limited
    • John H. Walker
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof support
    • Patent number 4,114,387
    • Issue date Sep 19, 1978
    • Dowty Mining Equipment Limited
    • Dennis Franklin Rutherford
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Longwall mining apparatus
    • Patent number 4,109,472
    • Issue date Aug 29, 1978
    • Dowty Mining Equipment Limited
    • Robert G. Harris
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pressure relief valve
    • Patent number 4,091,838
    • Issue date May 30, 1978
    • Dowty Mining Equipment Limited
    • George Herbert Dowty
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof support
    • Patent number 4,037,419
    • Issue date Jul 26, 1977
    • Dowty Mining Equipment Limited
    • Nigel Hill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof support
    • Patent number 4,027,489
    • Issue date Jun 7, 1977
    • Dowty Mining Equipment Limited
    • John Hirst Walker
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof support
    • Patent number 4,010,618
    • Issue date Mar 8, 1977
    • Dowty Mining Equipment Limited
    • John Hirst Walker
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mining apparatus
    • Patent number 3,987,908
    • Issue date Oct 26, 1976
    • Dowty Mining Equipment Limited
    • William Francis Tristram
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof support
    • Patent number 3,952,525
    • Issue date Apr 27, 1976
    • Dowty Mining Equipment Limited
    • John Hirst Walker
    • E21 - EARTH DRILLING MINING

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