Patents by Inventor George K. Mitchell

George K. Mitchell 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 distributing tundish barrier
    Patent number: 4619443
    Abstract: A cast dam, for use in a tundish, is described. The dam is positioned between the tundish walls in the lower part and protrudes from the tundish floor. It has an L-shape. The dam has ducts connected to at least one pipe for conveying a supply of gas to the tundish. The ducts extend from the pipe to at least one dam surface which becomes exposed to molten metal during use of the tundish. A weir is also provided in the tundish.
    Type: Grant
    Filed: October 2, 1984
    Date of Patent: October 28, 1986
    Assignee: Rand Steel Technology [Proprietary] Limited
    Inventor: George K. Mitchell