Patents by Inventor Lee J. Cuddy

Lee J. Cuddy 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).

  • Subscale reaction strengthening of low carbon ferrous metal stock
    Patent number: 3998666
    Abstract: Low carbon, low alloy, ferrous metal stock containing from 0.05 to 0.5 wt. percent uncombined group IVB or VB metal, is strengthened by a procedure comprising; gas phase nitrogenation at temperatures below 590.degree. C to form extremely fine dispersions of such group IVB or VB metal nitrides, followed by an additional treatment for removing excess nitrogen in solid solution.
    Type: Grant
    Filed: July 30, 1975
    Date of Patent: December 21, 1976
    Assignee: United States Steel Corporation
    Inventors: Lee J. Cuddy, Harry H. Podgurski