Patents by Inventor Richard J. Wakeman

Richard J. Wakeman 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).

  • Filtering apparatus and method
    Patent number: 4776962
    Abstract: A filtering method and apparatus including a chamber having an inlet and an outlet and a mass of fibers interposed between the inlet and outlet and contained between a perforated base and piston. Structure is provided for reciprocating the piston relative to the base during backwash operation.
    Type: Grant
    Filed: August 3, 1987
    Date of Patent: October 11, 1988
    Assignee: James Howden & Company Limited, a British Company
    Inventor: Richard J. Wakeman