Patents by Inventor Hugh E. Evans

Hugh E. Evans 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).

  • Titanium article having a protective coating and a method of applying a protective coating to a Titanium article
    Patent number: 6387541
    Abstract: A titanium aluminide turbine blade (10) includes an aerofoil (12), a platform (14) and a root (16). A protective coating (2) is applied to the aerofoil (12) and the platform (14) of the turbine blade (10). The protective coating (2) comprises austenitic stainless steel. A chromium oxide layer (22) is formed on the protective coating (2). The protective coating (20) and chromium oxide layer (22) provides oxidation and sulphidation resistance for the titanium aluminide article (10).
    Type: Grant
    Filed: April 24, 2000
    Date of Patent: May 14, 2002
    Assignee: Rolls-Royce plc
    Inventors: Simon Gray, Clive B. Ponton, Michael H. Jacobs, Hugh E. Evans