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  • Bromolla, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum toilet system
    • Patent number 5,454,936
    • Issue date Oct 3, 1995
    • Oy Wartsila AB
    • Arne Ask
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Waste tank for a vacuum sewage system
    • Patent number 5,002,592
    • Issue date Mar 26, 1991
    • Oy Wartsila AB
    • Lennart Stroby
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Vacuum sewage system
    • Patent number 4,865,631
    • Issue date Sep 12, 1989
    • Oy Wartsila AB
    • Lennart Stroby
    • B64 - AIRCRAFT AVIATION COSMONAUTICS