Patents by Inventor Lee R. Whaley

Lee R. Whaley 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).

  • Impact pad
    Patent number: 5597528
    Abstract: An impact pad for use in a ladle for molten metal comprising a body of refractory material having a lower portion shaped to fit in a ladle and a tapered upper portion having corrugations at the top, the lower portion being grooved around its periphery and having refractory bricks of contrasting color with respect to the refractory material of the body embedded in the body, adapted to be exposed on wearing away of the body.
    Type: Grant
    Filed: August 31, 1995
    Date of Patent: January 28, 1997
    Assignee: A.P. Green Industries, Inc.
    Inventor: Lee R. Whaley