TREA

David Gurwicz

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  • Gateshead, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    AC to DC conversion arrangement
    • Patent number 6,256,209
    • Issue date Jul 3, 2001
    • Nada Electronics Limited
    • David Gurwicz
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Laser system
    • Patent number 5,434,880
    • Issue date Jul 18, 1995
    • Lumonics Ltd.
    • Graham Burrows
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Resonant inverter
    • Patent number 5,371,668
    • Issue date Dec 6, 1994
    • NADA Electronics Limited
    • David Gurwicz
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Resonant converter oscillator usable for powering a magnetron
    • Patent number 5,043,680
    • Issue date Aug 27, 1991
    • Aktiebolaget Electrolux
    • David Gurwicz
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric discharge machining power supply circuit
    • Patent number 4,978,829
    • Issue date Dec 18, 1990
    • Nada Electronics Limited
    • David Gurwicz
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Converters
    • Patent number 4,333,134
    • Issue date Jun 1, 1982
    • Chloride Group Limited
    • David Gurwicz
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Chopper-controlled alternator for battery charging
    • Patent number 4,281,279
    • Issue date Jul 28, 1981
    • NADA Electronics Limited
    • David Gurwicz
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Converters
    • Patent number 4,227,243
    • Issue date Oct 7, 1980
    • Chloride Group Limited
    • David Gurwicz
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC-AC Converter including synchronized switching
    • Patent number 4,196,469
    • Issue date Apr 1, 1980
    • Chloride Group Limited
    • David Gurwicz
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Control circuit for a D.C. motor
    • Patent number 4,195,254
    • Issue date Mar 25, 1980
    • Caterpillar Tractor Co.
    • David Gurwicz
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Thyristor pulse controller for plural loads
    • Patent number 4,110,668
    • Issue date Aug 29, 1978
    • Sevcon Limited
    • David Gurwicz
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Pulse controllers
    • Patent number 4,104,571
    • Issue date Aug 1, 1978
    • Sevcon Limited
    • David Gurwicz
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER