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Gullick Dobson Limited

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Patents Grantslast 30 patents

  • Information Patent Grant

    Mine roof supports
    • Patent number 5,423,638
    • Issue date Jun 13, 1995
    • Gullick Dobson Limited
    • Colin G. M. Merriman
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Measurement of the alignment of an articulated mine conveyor
    • Patent number 5,145,235
    • Issue date Sep 8, 1992
    • Gullick Dobson Limited
    • Brian G. D. Smart
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof supports
    • Patent number 5,039,257
    • Issue date Aug 13, 1991
    • Gullick Dobson Limited
    • Tom C. Bithell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Apparatus for transmitting data
    • Patent number 5,029,943
    • Issue date Jul 9, 1991
    • Gullick Dobson Limited
    • Colin G. M. Merriman
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drive frame for a scraper chain conveyor
    • Patent number 4,953,692
    • Issue date Sep 4, 1990
    • Gullick Dobson Limited
    • Brian R. Stoppani
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Hydraulic power generating pack
    • Patent number 4,941,807
    • Issue date Jul 17, 1990
    • Gullick Dobson Limited
    • Malcolm C. Foster
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Valve for use in controlling the functions of mine roof supports
    • Patent number 4,799,510
    • Issue date Jan 24, 1989
    • Gullick Dobson Limited
    • Richard Ward
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof supports
    • Patent number 4,797,023
    • Issue date Jan 10, 1989
    • Gullick Dobson Limited
    • Roy Park
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof supports
    • Patent number 4,792,261
    • Issue date Dec 20, 1988
    • Gullick Dobson Limited
    • Tom C. Bithell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof supports
    • Patent number 4,784,532
    • Issue date Nov 15, 1988
    • Gullick Dobson Limited
    • Kenneth D. Prescott
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Manipulable tool mount
    • Patent number 4,141,594
    • Issue date Feb 27, 1979
    • Gullick Dobson Limited
    • Reginald A. Phillips
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof support control
    • Patent number 4,134,270
    • Issue date Jan 16, 1979
    • Gullick Dobson Limited
    • Fred Small
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Self-advancing mine roof supports
    • Patent number 4,102,140
    • Issue date Jul 25, 1978
    • Gullick Dobson Limited
    • Archelaius Dawson Allen
    • E21 - EARTH DRILLING MINING

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