Patents by Inventor Don N. Gass

Don N. Gass 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).

  • Traveling water screen including improved basket
    Patent number: 5501793
    Abstract: A traveling water screen including a basket having an upper lip beam and a lower lip beam, the lower lip beam including an elongated upwardly opening channel upstream of the water screen, the lower lip beam including an upstream wall having a lower portion the lower portion including a lower forward surface facing in the upstream direction, at least a portion of the lower forward surface being convex, and the upper portion of the upstream wall having a spoiler shape for deflecting water upwardly and over the upwardly opening channel. The traveling water screen also includes seals between adjacent baskets to prevent unscreened water from flowing through spaces between the baskets.
    Type: Grant
    Filed: March 31, 1994
    Date of Patent: March 26, 1996
    Assignee: Envirex Inc.
    Inventors: Robert R. Cheesman, James A. Ehleiter, Don N. Gass, Gary B. Tatsak, R. Ian Fletcher