Patents by Inventor Richard J. Midgley

Richard J. Midgley 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).

  • Platinum group metal-containing alloy
    Patent number: 4737205
    Abstract: This invention relates to platinum group metal-containing alloys comprising, apart from impurities:(a) at least 40 wt. % nickel or at least 40 wt. % cobalt;(b) a trace to 30 wt. % chromium; and(c) a trace to 15 wt. % of one or more of the metals platinum, palladium, rhodium, iridium, osmium and ruthenium.
    Type: Grant
    Filed: September 9, 1985
    Date of Patent: April 12, 1988
    Assignee: Johnson Matthey & Co., Limited
    Inventors: Gordon L. Selman, Richard J. Midgley
  • Platinum group metal-containing alloy
    Patent number: 4683119
    Abstract: This invention relates to platinum group metal-containing alloys comprising, apart from impurities:(a) at least 40 wt. % nickel or at least 40 wt. % cobalt;(b) a trace to 30 wt. % chromium; and(c) a trace to 15 wt. % of one or more of the metals platinum, palladium, rhodium, iridium, osmium and ruthenium.
    Type: Grant
    Filed: March 2, 1981
    Date of Patent: July 28, 1987
    Assignee: Johnson Matthey & Company, Limited
    Inventors: Gordon L. Selman, Richard J. Midgley