TREA

Keith Drummond Stevens

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  • Stockport, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    High power semiconductor heat sink assembly
    • Patent number 4,538,171
    • Issue date Aug 27, 1985
    • Cableform Limited
    • Keith D. Stevens
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Pulse controllers
    • Patent number 4,401,926
    • Issue date Aug 30, 1983
    • Cabeform Limited
    • John Morton
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Field weakening circuits for electric motors
    • Patent number 4,250,437
    • Issue date Feb 10, 1981
    • Cableform Limited
    • John Morton
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric motor driven vehicles
    • Patent number 4,132,934
    • Issue date Jan 2, 1979
    • Cableform Limited
    • John Morton
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Pulse controllers
    • Patent number 4,119,898
    • Issue date Oct 10, 1978
    • Cableform Limited
    • John Morton
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER