Patents Assigned to Interpublic a.s
  • Tubular trash net for pre-treating sewage, with replaceable net cassette
    Patent number: 4681688
    Abstract: The tubular trash net is a cleaning and collecting device for pre-treatment of sewage, where the water which is to be separated from waste trash materials is led through a collecting net (8), after which the net (8) containing the separated trash is drawn through mechanically-driven rollers (10) which simultaneously de-water the trash prior to its being conveyed, together with the used net (8), to a container for disposal, while runoff pre-treated water is sent on for either further treatment or deep-water outfall.
    Type: Grant
    Filed: January 28, 1986
    Date of Patent: July 21, 1987
    Assignee: Interpublic a.s
    Inventors: Sten Y. Sondov, Jan O. From