Patents by Inventor Weislaw Niewiarowski

Weislaw Niewiarowski 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).

  • Automatic cleaners for sweeping and cleaning swimming pools
    Patent number: 5706540
    Abstract: An automatic pool cleaner including a body, an elongated member connected to the body, the elongated member having two fluid flow paths, a valve mounted for alternately directing the flow of fluid between the fluid flow paths, the upper ends of the two fluid flow paths being connected together by an arcuate passage in a first plane substantially co-planar with the elongated member, and the arcuate passage connected to at least one arcuate outlet passage in a second plane at an angle to the first plane.
    Type: Grant
    Filed: July 3, 1996
    Date of Patent: January 13, 1998
    Assignee: Kreepy Krauly USA, Inc.
    Inventor: Weislaw Niewiarowski