Patents by Inventor William B. Simpson, Jr.

William B. Simpson, Jr. 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).

  • Composition and process to create foaming slag cover for molten steel
    Patent number: 4528035
    Abstract: Slag formed in steel melt operations is foamed to create a protective cover using a composition comprised essentially of calcium oxide.
    Type: Grant
    Filed: May 21, 1984
    Date of Patent: July 9, 1985
    Assignee: Metro Materials Corporation
    Inventors: William B. Simpson, Jr., David F. Lundy, R. L. Parnell, Charles W. Snodgrass, Edward B. Miller, John M. Harvey