Patents by Inventor Robert S. Singleton, Jr.

Robert S. Singleton, Jr. 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).

  • Apparatus and method for extracting impurities from a pulpous slurry
    Patent number: 5901853
    Abstract: An apparatus (310) for extracting impurities from a pulpous slurry. The apparatus has an auxiliary chamber (13) having an upper chamber (313) and a hydrocyclone (311) for further extracting impurities from the pulpous slurry. A conduit (58) returns a selected portion of the pulpous slurry back to a separation chamber for further processing.
    Type: Grant
    Filed: May 10, 1996
    Date of Patent: May 11, 1999
    Inventor: Robert S. Singleton, Jr.