Patents by Inventor Keith R. Chamberlain

Keith R. Chamberlain 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).

  • Method of forming a fine-grained equiaxed casting
    Patent number: 4832112
    Abstract: A method of forming a fine grained equiaxed casting by melting metal and removing most of the superheat of the molten metal. The molten metal is placed in a mold and optionally subjected to turbulence whereupon it solidifies to form the casting of the desired microstructure.
    Type: Grant
    Filed: October 3, 1985
    Date of Patent: May 23, 1989
    Assignee: Howmet Corporation
    Inventors: John R. Brinegar, Keith R. Chamberlain, James J. Vresics, William J. DePue