Patents by Inventor Gregory E. Gardiner

Gregory E. Gardiner 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).

  • Cobalt-chromium superalloy
    Patent number: 4631082
    Abstract: An oxide dispersion strengthened cobalt-chromium superalloy produced by mechanical alloying containing a refractory oxide, preferably yttrium oxide, and characterized by excellent corrosion resistance, high fatigue strength and high temperature stability; and prostheses formed from said superalloy.
    Type: Grant
    Filed: February 20, 1985
    Date of Patent: December 23, 1986
    Assignee: Pfizer Hospital Products Group Inc.
    Inventors: Henry L. Andrews, Gregory E. Gardiner