Patents by Inventor George J. Cooke

George J. Cooke 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).

  • Swimming pool main drain assembly
    Patent number: 5759414
    Abstract: A swimming pool main drain assembly comprises a cup-shaped fitting recessed in a pool bottom and having an open mouth substantially coplaner with the pool bottom. A port is provided in the fitting which communicates with the suction inlet of a circulation pump. A return port assembly is provided in the fitting which communicates with an outlet of the circulation pump. The return port assembly includes an outlet conduit which directs water in a substantially vertical direction out of the main drain and educts a portion of the pool water.
    Type: Grant
    Filed: November 7, 1996
    Date of Patent: June 2, 1998
    Assignee: Essef Corporation
    Inventors: Robert D. Wilkes, George J. Cooke