Patents by Inventor Rudolf Schlueter

Rudolf Schlueter 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).

  • Ceramic foam filter apparatus
    Patent number: 5004545
    Abstract: A filter for use in the filtration of molten metals comprises a ceramic foam having a gasket made from fibrous material surrounding its peripheral surface and a metallic foil, such as aluminum foil, fixed to the gasket, for example by means of an adhesive, around the outer peripheral surface of the gasket.
    Type: Grant
    Filed: June 28, 1990
    Date of Patent: April 2, 1991
    Assignee: Foseco International Limited
    Inventors: Hans-Peter Wahl, Rudolf Schlueter, Wolfgang P. Kaettlitz, Rolf Loos