Patents by Inventor Peter M. Rosecrans

Peter M. Rosecrans 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).

  • Manufacturing process to reduce large grain growth in zirconium alloys
    Patent number: 4647317
    Abstract: A method of treating cold-worked zirconium alloys to reduce large grain gth during thermal treatment at temperatures above the recrystallization temperature of the alloy comprising heating the cold-worked alloy between about 1300.degree.-1350.degree. F. for 1 to 3 hours prior to treatment above its recrystallization temperature.
    Type: Grant
    Filed: August 1, 1984
    Date of Patent: March 3, 1987
    Assignee: The United States of America as represented by the Department of Energy
    Inventor: Peter M. Rosecrans