TREA

Stefan Naij

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  • Asa, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bottom seal
    • Patent number 7,547,389
    • Issue date Jun 16, 2009
    • Mellegard & Naij AB
    • Per Mellegard
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Separating Device
    • Publication number 20080272047
    • Publication date Nov 6, 2008
    • MELLEGARD & NAIJ AB
    • Per Mellegard
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Application

    Bottom Seal
    • Publication number 20070209985
    • Publication date Sep 13, 2007
    • Per Mellegard
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING