Patents by Inventor Edwin J. Przetak

Edwin J. Przetak 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).

  • Patent number: 4199010
    Abstract: A conduit used to convey particulate matter in which erosion is substantially diminished. A liner placed within the outer wall of the conduit is of ceramic material which is highly resistant to erosion.
    Type: Grant
    Filed: June 2, 1978
    Date of Patent: April 22, 1980
    Assignee: Foster Wheeler Energy Corporation
    Inventors: Joseph C. McGuth, Edwin J. Przetak