Patents by Inventor Cheryl L. Stubbs

Cheryl L. Stubbs 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).

  • Patent number: 5434894
    Abstract: A permanent annular ring seal and refueling deck assembly providing an effective water barrier over the annular space between a nuclear reactor vessel flange and a surrounding annular ledge includes annular platform, a support and a joint seal. The joint seal has an upper cylindrical section and a lower flexible corrugated or arcuate shaped section which accommodates radial, axial and rotational movements of the vessel, and reduces joint stress.
    Type: Grant
    Filed: December 20, 1993
    Date of Patent: July 18, 1995
    Assignee: Combustion Engineering Inc.
    Inventors: Chia C. Chiang, Cheryl L. Stubbs