TREA

Frank Hamma

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  • Oberteuringen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pressure control valve device
    • Patent number 9,157,539
    • Issue date Oct 13, 2015
    • ZF Friedrichshafen AG
    • Karlheinz Mayr
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve device with a flow guiding device
    • Patent number 9,068,660
    • Issue date Jun 30, 2015
    • ZF Friedrichshafen AG
    • Karlheinz Mayr
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure control valve apparatus having a flow-guiding device
    • Patent number 9,052,723
    • Issue date Jun 9, 2015
    • ZF Friedrichshafen AG
    • Karlheinz Mayr
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure control valve device
    • Patent number 8,701,707
    • Issue date Apr 22, 2014
    • ZF Friedrichshafen AG
    • Markus Moosmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents