TREA

Wirsbo Bruks AB

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  • Virsbo, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multilayer plastic pipe and its use
    • Patent number 6,422,269
    • Issue date Jul 23, 2002
    • Wirsbo Bruks AB
    • Bengt Johansson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe coupling
    • Patent number 6,361,082
    • Issue date Mar 26, 2002
    • Wirsbo Bruks AB
    • Peter Hauki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method for heating and/or cross-linking of polymers and apparatus t...
    • Patent number 6,106,761
    • Issue date Aug 22, 2000
    • Wirsbo Bruks AB
    • Michael Sjoberg
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Pipe-end expanding method and a tool therefor
    • Patent number 5,744,085
    • Issue date Apr 28, 1998
    • Wirsbo Bruks AB
    • Bengt Sorberg
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...