Patents by Inventor John Prentiss Sanders, III

John Prentiss Sanders, III 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).

  • Patent number: 6537486
    Abstract: A refractory shape is described for transferring molten metal in a continuous casting operation. The shape includes an inner surface made from an unfired composition comprising a calcium rich grain, a hydration-resistant grain, 6-28 wt. % carbon, and a binder. The unfired composition may also include an antioxidant and silica. The inner surface resists spalling and alumina deposition.
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: March 25, 2003
    Assignee: Yesuvius Crucible Company
    Inventors: Paul Martin Benson, John Prentiss Sanders, III