TREA

Nils-Erik Bohman

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  • Fakestad, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe sealing ring and method of manufacturing the same
    • Patent number 4,934,716
    • Issue date Jun 19, 1990
    • Forsheda Gummifabrik AB
    • Olof Nordin
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Pipe sealing device
    • Patent number 4,379,559
    • Issue date Apr 12, 1983
    • Forsheda Gummifabrik AB
    • Nils-Erik Bohman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of forming a pipe socket
    • Patent number 4,372,905
    • Issue date Feb 8, 1983
    • Forsheda Gummifabrik AB
    • Nils-Erik Bohman
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    T-Shaped sealing ring with elongated lip
    • Patent number 4,371,179
    • Issue date Feb 1, 1983
    • Nils-Erik Bohman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents