Patents by Inventor Frank D. Rizzelli

Frank D. Rizzelli 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).

  • .beta.-Alumina coating
    Patent number: 4395432
    Abstract: Disclosed is a method of coating a substrate with .beta.-alumina, a compound of alumina and an alkali metal oxide, while maintaining its electrically conductive properties. A powdered mixture is formed of the .beta.-alumina and a carbonate of the alkali metal. The mixture is sprayed through a source of heat sufficient to melt it onto the substrate. A plasma spray torch can be used to melt spray the mixture.
    Type: Grant
    Filed: December 16, 1981
    Date of Patent: July 26, 1983
    Assignee: Westinghouse Electric Corp.
    Inventors: Frank D. Rizzelli, Kimon Papadopoulos