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Heinz Unewisse

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  • Muehlheim/Ruhr, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe connection
    • Patent number 5,484,172
    • Issue date Jan 16, 1996
    • Mannesmann Aktiengesellschaft
    • Heinz Unewisse
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of forming a crimped sleeve to tube joint
    • Patent number 5,168,618
    • Issue date Dec 8, 1992
    • Mannesamnn AG
    • Heinz Unewisse
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for producing a locked, tight pipe-connection
    • Patent number 5,150,519
    • Issue date Sep 29, 1992
    • Mannesmann Aktiengesellschaft
    • Heinz Unewisse
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tool for forming a crimped sleeve to tube joint
    • Patent number 5,121,625
    • Issue date Jun 16, 1992
    • Mannesmann AG
    • Heinz Unewisse
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Crimped sleeve to tube joint
    • Patent number 5,007,667
    • Issue date Apr 16, 1991
    • Mannesmann AG
    • Heinz Unewisse
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents