Patents by Inventor James R. Joyce

James R. Joyce 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).

  • Method of simultaneously forming rocket thrust chamber cooling tubes
    Patent number: 5477613
    Abstract: A plurality of tubes are placed side-by-side on the forming surface of a die, another die is brought into contact with the tubes, thus sandwiching the tubes therebetween. The two dies are then placed into a press that forces the dies together, simultaneously deforming the tubes into intimate contact with each other, thereby producing an exacting fit between adjacent tubes.
    Type: Grant
    Filed: March 14, 1994
    Date of Patent: December 26, 1995
    Assignee: United Technologies Corporation
    Inventors: Daniel A. Bales, James R. Joyce