Patents by Inventor William J. Melilli

William J. Melilli 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).

  • Plasma torch with extended life electrodes
    Patent number: 5004888
    Abstract: A plasma torch electrode has a copper outer shell on an inner portion of which is provided a more durable composition of a silver alloy by pressing or casting to achieve longer lifetime under arcing conditions in air or oxygen while minimizing the cost of materials and fabrication.
    Type: Grant
    Filed: December 21, 1989
    Date of Patent: April 2, 1991
    Assignee: Westinghouse Electric Corp.
    Inventors: Charles B. Wolf, Shyam V. Dighe, Paul E. Martin, Raymond F. Taylor, Jr., William J. Melilli
  • Transfer arc torch and reactor vessel
    Patent number: 4864096
    Abstract: A transferred arc torch is comprised of a first electrode surrounded by a coil. A second electrode is positioned adjacent to the first electrode so as to provide a small gap therebetween for striking an arc. The second electrode is configured to enable the arc to be transferred therefrom. The transferred arc torch may be used in conjunction with a vessel to provide a unique plasma reactor.
    Type: Grant
    Filed: December 18, 1987
    Date of Patent: September 5, 1989
    Assignee: Westinghouse Electric Corp.
    Inventors: Charles B. Wolf, William J. Melilli