TREA

Heinz Seifert

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  • Laudenbach, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flexible bearing with a disk spring having an S-shaped spring const...
    • Patent number 4,984,777
    • Issue date Jan 15, 1991
    • Firma Carl Freudenberg
    • Klaus Kurr
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotatable elastic coupling
    • Patent number 4,952,194
    • Issue date Aug 28, 1990
    • Firma Carl Freudenberg
    • Hans-Gerd Eckel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Torsional vibration damper
    • Patent number 4,825,718
    • Issue date May 2, 1989
    • Firma Carl Freudenberg
    • Heinz Seifert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Vibration damper for helical coil spring including clip with lug po...
    • Patent number 4,779,854
    • Issue date Oct 25, 1988
    • Firma Carl Freudenberg
    • Werner Idigkeit
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rubber coupling
    • Patent number 4,764,152
    • Issue date Aug 16, 1988
    • Firma Carl Freudenberg
    • Benno M. Jorg
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Process of producing a resilient coupling and a product thereof
    • Patent number 4,736,510
    • Issue date Apr 12, 1988
    • Firma Carl Freudenberg
    • Benno M. Jorg
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Vibration damper for helical coil spring
    • Patent number 4,726,574
    • Issue date Feb 23, 1988
    • Firma Carl Freudenberg
    • Werner Idigkeit
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...