TREA

Johnston Engineering Limited

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  • Surrey, GB
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic systems
    • Patent number 5,477,882
    • Issue date Dec 26, 1995
    • Johnston Engineering Limited
    • Anthony J. Duthie
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Exhauster fan systems
    • Patent number 5,419,006
    • Issue date May 30, 1995
    • Johnston Engineering Limited
    • Anthony J. Duthie
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Vehicle control system
    • Patent number 5,056,615
    • Issue date Oct 15, 1991
    • Johnston Engineering Limited
    • Anthony J. Duthie
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Blower fan impellers
    • Patent number 5,044,887
    • Issue date Sep 3, 1991
    • Johnston Engineering Limited
    • Anthony J. Duthie
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Road sweeping vehicles
    • Patent number 4,903,368
    • Issue date Feb 27, 1990
    • Johnston Engineering Limited
    • Anthony J. Duthie
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Road sweeping vehicles
    • Patent number 4,779,303
    • Issue date Oct 25, 1988
    • Johnston Engineering Limited
    • Anthony J. Duthie
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Road sweeping vehicles
    • Patent number 4,773,119
    • Issue date Sep 27, 1988
    • Johnston Engineering Limited
    • Anthony J. Duthie
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

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