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Gunnar Lindroos

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  • Helsingfors, FI
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum sewer system
    • Patent number RE45688
    • Issue date Sep 29, 2015
    • Evac Oy
    • Vesa Lappalainen
    • 001 -
  • Information Patent Grant

    Vacuum sewer system
    • Patent number 7,845,028
    • Issue date Dec 7, 2010
    • Evac International Oy
    • Gunnar Lindroos
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Vacuum sewer system
    • Patent number 7,770,241
    • Issue date Aug 10, 2010
    • Evac International Oy
    • Vesa Lappalainen
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Valve means
    • Patent number 6,748,973
    • Issue date Jun 15, 2004
    • EVAC International Oy
    • Gunnar Lindroos
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Electrical control device
    • Patent number 5,983,414
    • Issue date Nov 16, 1999
    • Evac AB
    • Gunnar Lindroos
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Electrical control device
    • Patent number 5,495,626
    • Issue date Mar 5, 1996
    • Evac AB
    • Gunnar Lindroos
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Vacuum sewer arrangement
    • Patent number 5,165,457
    • Issue date Nov 24, 1992
    • Oy Wartsila AB
    • Henry Olin
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Vacuum sewer arrangement
    • Patent number 4,928,326
    • Issue date May 29, 1990
    • Oy Wartsila AB
    • Henry Olin
    • E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    Vacuum Sewer System
    • Publication number 20080256697
    • Publication date Oct 23, 2008
    • Gunnar Lindroos
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    Vacuum sewer system
    • Publication number 20070226887
    • Publication date Oct 4, 2007
    • Vesa Lappalainen
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    Vacuum sewer system
    • Publication number 20070175515
    • Publication date Aug 2, 2007
    • Gunnar Lindroos
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Vacuum sewer system
    • Publication number 20040237183
    • Publication date Dec 2, 2004
    • Gunnar Lindroos
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    Valve means
    • Publication number 20020174892
    • Publication date Nov 28, 2002
    • Gunnar Lindroos
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...