TREA

Keith W. Langley

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  • Bath, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Movable thresholds and railway platform barrier doors
    • Patent number 5,845,579
    • Issue date Dec 8, 1998
    • Westinghouse Brake and Signal Holdings Limited
    • Keith William Langley
    • B61 - RAILWAYS
  • Information Patent Grant

    Brake equipment
    • Patent number 4,909,360
    • Issue date Mar 20, 1990
    • Westinghouse Brake and Signal Holdings Limited
    • Keith W. Langley
    • B61 - RAILWAYS
  • Information Patent Grant

    Slack adjuster
    • Patent number 4,895,228
    • Issue date Jan 23, 1990
    • Westinghouse Brake & Signal Holdings Limited
    • Jack Washbourn
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tread brake unit
    • Patent number 4,875,559
    • Issue date Oct 24, 1989
    • Westinghouse Brake & Signal Holdings Ltd.
    • Keith W. Langley
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pneumatic control for braking system providing snow brake operation
    • Patent number 4,498,711
    • Issue date Feb 12, 1985
    • Westinghouse Brake and Signal
    • Keith W. Langley
    • B60 - VEHICLES IN GENERAL