TREA

Gerhard Freiwald

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  • Hemsbach, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Radial lip seal for a shaft in a housing
    • Patent number 5,509,667
    • Issue date Apr 23, 1996
    • Firma Carl Freudenberg
    • Norbert Klein
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Radial lip seal with interposed bearing
    • Patent number 5,370,404
    • Issue date Dec 6, 1994
    • Firma Carl Freudenberg
    • Norbert Klein
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Guide bushing with an integrated seal for the clutch-release bearin...
    • Patent number 5,368,397
    • Issue date Nov 29, 1994
    • Firma Carl Freudenberg
    • Gerhard Freiwald
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cassette shaft seal
    • Patent number 4,746,128
    • Issue date May 24, 1988
    • Firma Carl Freudenberg
    • Gerhard Freiwald
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...