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Dirk Hunkel

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  • Aachen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    High-pressure valve
    • Patent number 6,920,898
    • Issue date Jul 26, 2005
    • Pierburg GmbH
    • Rolf Lappan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Optical detector with a filter layer made of porous silicon and met...
    • Patent number 6,689,633
    • Issue date Feb 10, 2004
    • Forschungszentrum Julich GmbH
    • Michel Marso
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

  • Information Patent Application

    Fuel cell system with a mass flow sensor
    • Publication number 20050037246
    • Publication date Feb 17, 2005
    • Dirk Hunkel
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Ball valve
    • Publication number 20040036052
    • Publication date Feb 26, 2004
    • PIERBURG GMBH
    • Martin Nowak
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    High-pressure valve
    • Publication number 20030155544
    • Publication date Aug 21, 2003
    • PIERBURG GMBH
    • Rolf Lappan
    • H01 - BASIC ELECTRIC ELEMENTS