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Herbert Hoffelner

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  • Roehrmoos, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing ring for non-hermetic fluid seals
    • Patent number 6,478,304
    • Issue date Nov 12, 2002
    • MTU Aero Engines GmbH
    • Herbert Hoffelner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Vibration damping element test apparatus
    • Patent number 6,085,593
    • Issue date Jul 11, 2000
    • MTU-Motoren und Turbinen-Union Munchen GmbH
    • Pierluigi Pileri
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Brush seal for turbo-engines
    • Patent number 5,688,105
    • Issue date Nov 18, 1997
    • MTU Motoren-und Turbinen-Union Muenchen GmbH
    • Herbert Hoffelner
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Sealing device for turbo engines and the like
    • Patent number 5,026,252
    • Issue date Jun 25, 1991
    • MTU Motoren-und Turbinen-Union Munchen GmbH
    • Herbert Hoffelner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sliding ring seal
    • Patent number 4,752,077
    • Issue date Jun 21, 1988
    • MTU Motoren-und Turbinen-Union Muenchen GmbH
    • Herbert Hoffelner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...