Patents by Inventor John Brawley

John Brawley 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).

  • Superconducting accelerator cavity with a heat affected zone having a higher RRR
    Patent number: 6097153
    Abstract: An improved method for welding accelerator cavities without the need for time consuming and expensive faying surface treatments comprising electron beam welding such cavities in a vacuum welding chamber within a vacuum envelope and using the following welding parameters: a beam voltage of between about 45 KV and 55 KV; a beam current between about 38 ma and 47 ma; a weld speed of about 15 cm/min; and a sharp focus and a rhombic raster of between about 9 KHz and 10 Khz. A welded cavity made according to the method of the present invention is also described.
    Type: Grant
    Filed: November 2, 1998
    Date of Patent: August 1, 2000
    Assignee: Southeastern Universities Research Assn.
    Inventors: John Brawley, H. Lawrence Phillips