with packed filtering material

Patents Grantslast 30 patents

  • Information Patent Grant

    Arrangement for cleaning ground water

    • Patent number 5,281,333
    • Issue date Jan 25, 1994
    • IEG Industrie-Engineering GmbH
    • Bruno Bernhardt
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3133595

    • Patent number 3,133,595
    • Issue date May 19, 1964
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    1488753

    • Patent number 1,488,753
    • Issue date Apr 1, 1924
    • E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    PIT AND RELATED COVERED FILTER TUBE

    • Publication number 20110017451
    • Publication date Jan 27, 2011
    • VISSER & SMIT HANAB BV
    • Lukas Schoenmakers
    • E03 - WATER SUPPLY SEWERAGE