Patents by Inventor Jon McCormick

Jon McCormick 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).

  • Stainless steel castings
    Patent number: 4314863
    Abstract: Stainless steel castings having an as-cast hardness of Rockwell B82 to 98, good ductility and high notch toughness, and consisting by weight of 13-19% of Cr, 2.0-3.6% of Ni and 2.0-3.5% of Cu with the sum of Ni plus Cu of at least 5.0%, 0.20-1.4% of Mn, 0.5-1.0% of Si, 0.035% max. of P, 0.035% max. of S, less than 0.10% of Mo, less than 0.10% of Cb, less than 0.10% of Al, 0.20-80% of C when the N is 0.05% max. and 0.10-60% C when the N is 0.05-0.10%, and balance essentially of Fe and any conventional impurities.
    Type: Grant
    Filed: October 31, 1979
    Date of Patent: February 9, 1982
    Assignee: Fansteel Inc.
    Inventor: Jon McCormick