Patents by Inventor Bernhard Gruber

Bernhard Gruber 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).

  • Rotary disc filter element
    Patent number: 4708797
    Abstract: A rotary disc filter element having a large surface area for tank filters, such rotary disc filter element being composed of a hub, a circular bottom plate mounted thereon, a filter mesh clamped above it, and a supporting mesh arranged between the bottom plate and the filter mesh. The bottom plate is stiffened by corrugations which extend substantially radially and coaxially of the hub.
    Type: Grant
    Filed: July 1, 1983
    Date of Patent: November 24, 1987
    Assignee: Anton Steinecker Maschinenfabrick GmbH
    Inventors: Rolf Baur, Bernhard Gruber