Patents by Inventor William B. Mackay

William B. Mackay 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).

  • Hadfield's steel containing 2% vanadium
    Patent number: 4377422
    Abstract: An abrasion resistant heat treated austenitic manganese steel containing about 1% carbon, 13% manganese and 1.2-2.0% vanadium. The steels are heat treated so as to disperse austenitic grain boundary vanadium carbides uniformly throughout the matrix.
    Type: Grant
    Filed: September 8, 1981
    Date of Patent: March 22, 1983
    Assignee: Queen's University at Kingston
    Inventors: William B. Mackay, Reginald W. Smith