TREA

Evac AB

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  • Stockholm, SE
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Patents Grantslast 30 patents

  • 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

    Air pressure driven vacuum sewer system
    • Patent number 5,873,135
    • Issue date Feb 23, 1999
    • EVAC AB
    • Hans Tornqvist
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Air pressure driven vacuum sewer system
    • Patent number 5,813,061
    • Issue date Sep 29, 1998
    • Evac AB
    • Hans Tornqist
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Vacuum sewer arrangement
    • Patent number 5,644,802
    • Issue date Jul 8, 1997
    • Evac AB
    • Henry Olin
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Ejector device
    • Patent number 5,535,770
    • Issue date Jul 16, 1996
    • Evac AB
    • Pekka Nurmi
    • 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 toilet system
    • Patent number 5,214,807
    • Issue date Jun 1, 1993
    • Evac AB
    • Rolf Terve
    • E03 - WATER SUPPLY SEWERAGE