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Harry Jansen

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  • Moers, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Friction spring unit
    • Patent number 4,262,887
    • Issue date Apr 21, 1981
    • Ringfeder GmbH
    • Harry Jansen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Arrangement for the absorption of forces
    • Patent number 4,262,888
    • Issue date Apr 21, 1981
    • Ringfeder GmbH
    • Harry Jansen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Arrangement for resilient absorption of forces
    • Patent number 4,260,142
    • Issue date Apr 7, 1981
    • Ringfeder G.m.b.H.
    • Christian Stiefel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...