TREA

DAVID BROWN TRACTORS LIMITED

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  • MELTHAM, GB
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Tractor front loader
    • Patent number 4,522,554
    • Issue date Jun 11, 1985
    • David Brown Tractors Ltd.
    • Frederick Williams
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Tractor front loaders
    • Patent number 4,498,839
    • Issue date Feb 12, 1985
    • David Brown Tractors Ltd.
    • Frederick Williams
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Tractor hitches
    • Patent number 4,470,613
    • Issue date Sep 11, 1984
    • David Brown Tractors Ltd.
    • Alec Sykes
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Reservoir for a vehicle power steering system
    • Patent number 4,454,717
    • Issue date Jun 19, 1984
    • David Brown Tractors Ltd.
    • Philip M. Wade
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Tractor front loader with locking strut
    • Patent number 4,413,944
    • Issue date Nov 8, 1983
    • David Brown Tractors Ltd.
    • Anthony D. Coe
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Clutch release mechanisms
    • Patent number 4,414,533
    • Issue date Nov 8, 1983
    • David Brown Tractors Limited
    • Brian Scott
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Venting a liquid supply system
    • Patent number 4,409,930
    • Issue date Oct 18, 1983
    • David Brown Tractors Ltd.
    • Cecil T. Bury
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Lubricating oil pump drive for an internal combustion engine
    • Patent number 4,373,483
    • Issue date Feb 15, 1983
    • David Brown Tractors Ltd.
    • Cecil T. Bury
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Tractor engine air supply means
    • Patent number 4,354,458
    • Issue date Oct 19, 1982
    • David Brown Tractors, Ltd.
    • Cecil T. Bury
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Tractor power lift mechanisms
    • Patent number 4,332,285
    • Issue date Jun 1, 1982
    • David Brown Tractors, Ltd.
    • Harry Horsfall
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Tractor ballast weight assemblies
    • Patent number 4,299,405
    • Issue date Nov 10, 1981
    • David Brown Tractors Limited
    • John A. Withers
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Lower link draft sensing system on tractor
    • Patent number 4,295,530
    • Issue date Oct 20, 1981
    • David Brown Tractors Limited
    • Herbert E. Ashfield
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Internal combustion engines
    • Patent number 4,267,807
    • Issue date May 19, 1981
    • David Brown Tractors Limited
    • Herbert E. Ashfield
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Internal combustion engines
    • Patent number 4,204,487
    • Issue date May 27, 1980
    • David Brown Tractors Limited
    • Maurice Jones
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Final drive gearing with brake
    • Patent number 4,179,016
    • Issue date Dec 18, 1979
    • David Brown Tractors Limited
    • William Alderman
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Variable-track wheels
    • Patent number 4,178,042
    • Issue date Dec 11, 1979
    • David Brown Tractors Limited
    • Alec Sykes
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power steering systems
    • Patent number 4,144,947
    • Issue date Mar 20, 1979
    • David Brown Tractors Limited
    • John A. Withers
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Clutches
    • Patent number 4,116,322
    • Issue date Sep 26, 1978
    • David Brown Tractors Limited
    • Herbert Edward Ashfield
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Epicyclic gearing
    • Patent number 4,114,479
    • Issue date Sep 19, 1978
    • David Brown Tractors Limited
    • Herbert Edward Ashfield
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Control for a tractor power lift mechanism
    • Patent number 4,084,641
    • Issue date Apr 18, 1978
    • David Brown Tractors Limited
    • Herbert Edward Ashfield
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Agricultural tractor with draft load sensing springs for power lift...
    • Patent number 4,059,159
    • Issue date Nov 22, 1977
    • David Brown Tractors Limited
    • Stephen Moorhouse
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Compression springs
    • Patent number 4,043,546
    • Issue date Aug 23, 1977
    • David Brown Tractors Limited
    • Herbert Edward Ashfield
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Transfer box for four-wheel drive vehicles
    • Patent number 4,014,221
    • Issue date Mar 29, 1977
    • David Brown Tractors Limited
    • Thomas Eastwood
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power take-off shaft assemblies
    • Patent number 3,991,629
    • Issue date Nov 16, 1976
    • David Brown Tractors Limited
    • Kenneth Dearnley
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Brake operating systems
    • Patent number 3,935,932
    • Issue date Feb 3, 1976
    • David Brown Tractors Limited
    • Stephen Moorhouse
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Internal combustion engines
    • Patent number 3,931,812
    • Issue date Jan 13, 1976
    • David Brown Tractors Limited
    • Herbert Edward Ashfield
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    73012982 - DB
    • Serial number 73012982
    • Registration number 1014011
    • Filing date Feb 8, 1974
    • DAVID BROWN TRACTORS LIMITED
    • 7 - Machines and machine tools