Patents by Inventor William H. Stafford, II

William H. Stafford, II 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).

  • Reactor coolant pump safety shroud
    Patent number: 5810559
    Abstract: A safety shroud of a nuclear reactor coolant pump. Capscrew heads, if broken, are prevented from separating from a nuclear reactor coolant pump having a drive shaft, an impeller secured to the drive shaft, a suction deflector secured to the impeller, and capscrews with outer heads securing the impeller and suction deflector to the drive shaft, by securing a safety shroud over the capscrew heads. The safety shroud may be secured by welding the safety shroud to the impeller or suction deflector, or by bolting the safety shroud to the distal end of the drive shaft.
    Type: Grant
    Filed: December 18, 1997
    Date of Patent: September 22, 1998
    Assignee: Framatome Technologies, Inc.
    Inventors: Larry D. Dixon, Ronald J. Payne, William H. Stafford, II