Patents by Inventor Al Farrell

Al Farrell 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).

  • Nickel base alloy forged parts
    Patent number: 5374323
    Abstract: Disclosed is a large alloy forging, the forging having an alloy composition selected from one of a nickel base alloy, a cobalt-chromium-nickel base alloy, a nickel-cobalt base alloy and an iron-nickel-chromium-molybdenum alloy, the forging having a grain size of ASTM grain size 3 or finer, as measured by ASTM method E112 and having a tensile strength in the range of 135 to 175 KSI.
    Type: Grant
    Filed: August 26, 1991
    Date of Patent: December 20, 1994
    Assignee: Aluminum Company of America
    Inventors: G. William Kuhlman, Richard A. Beaumont, Daniel F. Carbaugh, David Anderson, Al Farrell, Amiya K. Chakrabarti, Kenneth P. Kinnear