TREA

Herbert Edward Ashfield

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  • Huddersfield, GB
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Patents Grantslast 30 patents

  • 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

    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...