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Hans-Joachim Frohne

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  • Lehre, DE
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Ignition lock for a motor vehicle and method of operating an igniti...
    • Publication number 20080028807
    • Publication date Feb 7, 2008
    • Volkswagen AG, Marquardt GmbH
    • Hans-Joachim Frohne
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Rotary switch
    • Publication number 20070119694
    • Publication date May 31, 2007
    • TRW Automotive Electronics & Components GmbH & Co. KG
    • Dieter Bornhorst
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Electric push-button switch
    • Publication number 20060201796
    • Publication date Sep 14, 2006
    • TRW Automotive Electronics & Components GmbH & Co. KG
    • Jens Ostendorf
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Converter for a motor vehicle
    • Publication number 20060125434
    • Publication date Jun 15, 2006
    • Volkswagen Aktiengesellschaft
    • Hans-Joachim Frohne
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Method for operation of a vehicle and corresponding device
    • Publication number 20060071555
    • Publication date Apr 6, 2006
    • Volkswagen AG.
    • Ralf Borngraber
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Electric switch
    • Publication number 20030075430
    • Publication date Apr 24, 2003
    • TRW Automotive Electronics & Components GmbH & Co. KG
    • Hans-Joachim Frohne
    • H01 - BASIC ELECTRIC ELEMENTS