Patents by Inventor Robert E. Oldrieve

Robert E. Oldrieve 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).

  • Tantalum modified ferritic iron base alloys
    Patent number: 4055416
    Abstract: Strong ferritic alloys of the Fe-Cr-Al type containing 0.4% to 2% tantalum have improved fabricability without sacrificing high temperature strength and oxidation resistance in the 800.degree. C (1475.degree. F) to 1040.degree. C (1900.degree. F) range.
    Type: Grant
    Filed: January 21, 1976
    Date of Patent: October 25, 1977
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Robert E. Oldrieve, Charles P. Blankenship