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Gunther Petrzik

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  • St. Georgen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic circuit for a toroidal transmission
    • Patent number 7,591,755
    • Issue date Sep 22, 2009
    • GETRAG Getriebe-und Zahnradfabrik Hermann Hagenmeyer GmbH
    • Gunther Petrzik
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic circuit and method for controlling said circuit
    • Patent number 7,338,408
    • Issue date Mar 4, 2008
    • Getrag Getriebe- und Zahnradfabrik Hermann Hagenmeyer GmbH & Cie AG
    • Gunther Petrzik
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic circuit for the control of a drive train
    • Patent number 7,300,375
    • Issue date Nov 27, 2007
    • GETRAG Getriebe-und Zahnradfabrik Hermann Hagenmeyer GmbH & Cie KG
    • Gunther Petrzik
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic circuit for an automated twin clutch transmission for mot...
    • Patent number 6,631,651
    • Issue date Oct 14, 2003
    • Getrag Getriebe-und-Zahnrad-fabrik Hermann Hagenmeyer GmbH & Cie.
    • Gunther Petrzik
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic system and a method for degassing same
    • Patent number 6,079,206
    • Issue date Jun 27, 2000
    • Getrag Getriebe- Und Zahnradfbrik Hermann Hagenmeyer GmbH & Cie
    • Gunther Petrzik
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents