Patents by Inventor Fred M. Mulhorn

Fred M. Mulhorn 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).

  • Hot top lining assembly for ingot moulds
    Patent number: 5180506
    Abstract: A hot top lining assembly for an ingot mould or for an ingot mould head box is made up of four boards of refractory material and fixed together by means of a guide bar incorporated in a wedge-shaped portion in the lateral edge of one of the boards mating with a slot in a lateral edge of an adjacent board.
    Type: Grant
    Filed: September 16, 1991
    Date of Patent: January 19, 1993
    Assignee: Foseco International Limited
    Inventor: Fred M. Mulhorn