TREA

JAMES HOWDEN & COMPANY LIMITED

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  • RENFREW, GB
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Tunnel boring machine
    • Patent number 4,874,267
    • Issue date Oct 17, 1989
    • James Howden & Company Limited
    • Gordon R. Ince
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Wind turbine operated electrical generator system
    • Patent number 4,748,339
    • Issue date May 31, 1988
    • James Howden & Company Limited
    • Peter M. Jamieson
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Gas circulator
    • Patent number 4,725,198
    • Issue date Feb 16, 1988
    • James Howden & Company Limited
    • William M. Fraser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Wind turbine
    • Patent number 4,710,101
    • Issue date Dec 1, 1987
    • James Howden & Company Limited
    • Peter M. Jamieson
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Method of operating metallurgical furnace and a metallurgical furna...
    • Patent number 4,689,076
    • Issue date Aug 25, 1987
    • James Howden & Company Limited
    • James Cooper
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Pipeline safety joint
    • Patent number 4,688,827
    • Issue date Aug 25, 1987
    • James Howden & Company Limited
    • Max Bassett
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Wind turbines
    • Patent number 4,648,801
    • Issue date Mar 10, 1987
    • James Howden & Company Limited
    • Robert R. Wilson
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Axial fan
    • Patent number 4,630,999
    • Issue date Dec 23, 1986
    • James Howden & Company Limited
    • Jean H. De La Harpe
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pulverizer
    • Patent number 4,579,288
    • Issue date Apr 1, 1986
    • James Howden & Company Limited
    • Blair McDermid
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Lubricant reservoir
    • Patent number 4,560,331
    • Issue date Dec 24, 1985
    • James Howden & Company Limited
    • George F. Sanderson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pulverizing apparatus
    • Patent number 4,553,704
    • Issue date Nov 19, 1985
    • James Howden & Company Limited
    • Robert R. Wilson
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Scoop for picking up lubricant
    • Patent number 4,541,737
    • Issue date Sep 17, 1985
    • James Howden & Company Limited
    • William W. White
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bearing lubrication system
    • Patent number 4,448,552
    • Issue date May 15, 1984
    • James Howden & Company Limited
    • William W. White
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fans or the like
    • Patent number 4,255,080
    • Issue date Mar 10, 1981
    • James Howden & Company Limited
    • Robert R. Wilson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...