Patents by Inventor Sten Y. Sondov

Sten Y. Sondov has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6554021
    Abstract: Apparatus for shock-like flushing in a liquid system, comprising an accumulating or blocking element (11, 12, 13) which upon supply of liquid from an inlet (7) is adapted to be set from a normal position to a flushing position accummulated liquid flows through an outlet (6B, 6, 6A) to a following section of the liquid system, and subsequently to be ret to normal position. The blocking element (11, 12, 13) is held in an inclined position (11′, 12′, 13′) by means of spring or weight load (21, 22, 23) until a certain level of accumulated liquid is attained, and the spring or weight load (21, 22, 23) is adapted to bring the blocking element (11, 12, 13) back from the flushing position to normal inclined position when a certain low liquid level is attained. The blocking outlet (6B, 6, 6A) respectively, through flexible tube sleeves (15, 14) which make possible the movement of the U-tube (11, 12, 13) between the two positions for accumulation and flushing, respectively.
    Type: Grant
    Filed: September 19, 2001
    Date of Patent: April 29, 2003
    Assignee: Cleanpipe As
    Inventor: Sten Y. Sondov
  • Patent number: 6216733
    Abstract: An apparatus for the distribution of water or other liquids, comprising a tank with at least one inlet and two or more outlets adapted to deliver equal amounts of liquid. A float body is adapted to float on a water reservoir in the tank and is provided with a distribution basin for receiving liquid from said inlet(s). The distribution basin has a number of outlet openings corresponding to said outlets and located at the same level in the distribution basin and being adapted to discharge liquid to a separate outlet.
    Type: Grant
    Filed: July 14, 1999
    Date of Patent: April 17, 2001
    Assignee: Cleanpipe AS
    Inventor: Sten Y. Sondov
  • 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