Patents by Inventor Gudrun Schulz

Gudrun Schulz 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).

  • Regenerative pump
    Patent number: 6082960
    Abstract: Side-channel centrifugal pump in sectional construction, the stage packs of which comprise a suction connector (6), a pressure connector (7), a vane (10) and a casing shell element (8, 9). In order to reduce the structural complexity, the suction and pressure connectors (6, 7) are formed as sheet-metal parts and are disposed in an annular casing shell element (8, 9). The centering of the suction and pressure connectors (6, 7) is expediently effected from the shaft.
    Type: Grant
    Filed: February 26, 1998
    Date of Patent: July 4, 2000
    Assignee: Sterling Fluid Systems GmbH
    Inventors: Peter Fandrey, Gudrun Schulz