Patents by Inventor William R. Long, Jr.

William R. Long, 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).

  • Rare earth metal treated cold rolled, non-oriented silicon steel and method of making it
    Patent number: 3960616
    Abstract: A melt for cold rolled, non-oriented silicon steel is deoxidized and thereafter treated with mischmetal or a mischmetal alloy to desulfurize the melt to 0.012% by weight sulfur or less without the formation of a polluting smoke. The deoxidation is carried out to the extent that, and the mischmetal is added in an amount such that, the melt composition, has a total cerium content of up to about 400 ppm. and preferably from about 75 to about 250 ppm.
    Type: Grant
    Filed: June 19, 1975
    Date of Patent: June 1, 1976
    Assignee: Armco Steel Corporation
    Inventors: James D. Evans, William R. Long, Jr.