Patents by Inventor Paul M. Broda

Paul M. Broda 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 for replacing a nozzle
    Patent number: 5274683
    Abstract: A method for replacing a nozzle in a pressure vessel. The existing nozzle is cut approximately at the inside surface of the pressure vessel wall. The portion of the existing nozzle that extends beyond the exterior of the pressure vessel wall is removed. A weld pad is deposited on the exterior of the pressure vessel wall around the nozzle bore. The remainder of the existing nozzle is removed. A corrosion resistant thermal spray coating is applied to the nozzle bore. A replacement nozzle is installed in the nozzle bore and seal welded to the weld pad on the exterior of the pressure vessel wall.
    Type: Grant
    Filed: April 27, 1993
    Date of Patent: December 28, 1993
    Assignee: B&W Nuclear Service Company
    Inventors: Paul M. Broda, Gary S. Carter, Larry D. Dixon