TREA

Western Rock Bit Company Limited

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Organization

  • Calgary, CA
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Bearings for roller cutter assembly
    • Patent number 5,190,379
    • Issue date Mar 2, 1993
    • Western Rock Bit Company, Ltd.
    • Kenneth M. White
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Journal bearing type rock bit
    • Patent number 5,186,267
    • Issue date Feb 16, 1993
    • Western Rock Bit Company Limited
    • Kenneth M. White
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Indicating means for a rock bit lubricating system
    • Patent number 5,183,123
    • Issue date Feb 2, 1993
    • Western Rock Bit Company Limited
    • Kenneth M. White
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Rotary cone type rock bits
    • Patent number 5,016,719
    • Issue date May 21, 1991
    • Western Rock Bit Company Limited
    • Kenneth M. White
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Journal bearing
    • Patent number 4,572,589
    • Issue date Feb 25, 1986
    • Western Rock Bit Company Limited
    • Kenneth M. White
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Percussion drill bit
    • Patent number RE30952
    • Issue date Jun 1, 1982
    • Western Rock Bit Company Limited
    • Kenneth M. White
    • 175 - Boring or penetrating the earth
  • Information Patent Grant

    Digger tooth retainer
    • Patent number 4,086,713
    • Issue date May 2, 1978
    • Western Rock Bit Co., Ltd.
    • Kenneth M. White
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Percussion drill bit
    • Patent number 4,051,912
    • Issue date Oct 4, 1977
    • Western Rock Bit Company Limited
    • Kenneth M. White
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Earth auger drill
    • Patent number 3,995,706
    • Issue date Dec 7, 1976
    • Western Rock Bit Company Limited
    • Kenneth M. White
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cutter assembly
    • Patent number 3,945,681
    • Issue date Mar 23, 1976
    • Western Rock Bit Company Limited
    • Kenneth M. White
    • E21 - EARTH DRILLING MINING

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