Patents by Inventor Mark Bright

Mark Bright 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).

  • Molten metal impeller
    Patent number: 5785494
    Abstract: An impeller for a molten metal pump having a cylindrical body comprised of a refractory material. The cylindrical body includes generally coplanar top and bottom surfaces. A central bore is provided in the top surface to provide a point for mating with a shaft. A plurality of circumferentially spaced passages extend from the top surface to a side wall of the impeller, each of the passages being separate and preferably having an inlet opening which is equal to or less than the corresponding outlet opening in size.
    Type: Grant
    Filed: April 23, 1997
    Date of Patent: July 28, 1998
    Assignee: Metaullics Systems Co., L.P.
    Inventors: Chris T. Vild, Mark A. Bright