TREA

Gunnar Wijk

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  • Enskede, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Water driven hammer device
    • Patent number 5,787,995
    • Issue date Aug 4, 1998
    • Atlas Copco Rock Drills AB
    • Berndt Ekwall
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Liquid driven hammer machine
    • Patent number 5,458,205
    • Issue date Oct 17, 1995
    • Atlas Copco Rocktech AB
    • Gunnar Wijk
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    Hand-held hammer drill
    • Publication number 20020000325
    • Publication date Jan 3, 2002
    • Gunnar Wijk
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS