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Rebekka Helfen

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  • Stuttgart, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Exhaust-gas muffler
    • Patent number 7,971,681
    • Issue date Jul 5, 2011
    • Andreas Stihl AG & Co KG
    • Eberhard Bohnaker
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Manually guided implement having an internal combustion engine
    • Patent number 6,679,234
    • Issue date Jan 20, 2004
    • Andreas Stihl AG & Co.
    • Georg Maier
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Vibration damper
    • Patent number 6,375,171
    • Issue date Apr 23, 2002
    • Andreas Stihl AG & Co.
    • Helmut Zimmermann
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...

Patents Applicationslast 30 patents

  • Information Patent Application

    Exhaust-gas muffler
    • Publication number 20090294210
    • Publication date Dec 3, 2009
    • Andreas Stihl AG & Co. KG.
    • Eberhard Bohnaker
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Manually guided implement having an internal combustion engine
    • Publication number 20020124837
    • Publication date Sep 12, 2002
    • Andreas Stihl AG & Co.
    • Georg Maier
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...