Patents by Inventor Ralph E. Biddle

Ralph E. Biddle 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).

  • Gas cook-top with glass top
    Patent number: 5046477
    Abstract: A gas cook-top with a glass top wherein each of a plurality of burners has a neck portion with a flange that seats down on a gasket thereby sealing the burner to the glass top. A collar surrounds the neck portion of each burner. Brackets are positioned below the glass top and support the burners independent of the glass top. A grate covers a pair of burners and has locator rod members that encircle portions of the respective collars, thereby fixedly locating the grate on the glass top.
    Type: Grant
    Filed: December 28, 1990
    Date of Patent: September 10, 1991
    Assignee: Amana Refrigeration Inc.
    Inventors: James L. Bennett, John D. Robeson, Ralph E. Biddle