TREA

Friedhelm Sawitzki

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  • Frankfurt am Main, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gate turn-off thyristor construction
    • Patent number 4,618,781
    • Issue date Oct 21, 1986
    • Licentia Patent-Verwaltungs-G.m.b.H.
    • Dieter Silber
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Safety circuit for a semiconductor element
    • Patent number 4,243,998
    • Issue date Jan 6, 1981
    • Licentia Patent-Verwaltungs-G.m.b.H.
    • Heinrich Schlangenotto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor switch with thyristors
    • Patent number 4,217,504
    • Issue date Aug 12, 1980
    • Licentia Patent-Verwaltungs- GmbH
    • Marius Fullmann
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Gate turn-off thyristor
    • Patent number 4,195,306
    • Issue date Mar 25, 1980
    • Licentia Patent-Verwaltungs-G.m.b.H.
    • Marius Fullmann
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER