Patents by Inventor Marvin E. Whatley

Marvin E. Whatley 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).

  • Face seal assembly for rotating drum
    Patent number: 4343478
    Abstract: A seal assembly comprises a tube rotatable about its longitudinal axis and having two longitudinally spaced flanges projecting radially outwardly from the outer surface thereof. Slidably positioned against one of the flanges is a seal ring, and disposed between this seal ring and the other flange are two rings that are forced apart by springs, one of the latter rings being attached to a flexible wall.
    Type: Grant
    Filed: March 13, 1981
    Date of Patent: August 10, 1982
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: J. Giles Morgan, Mark J. Rennich, Marvin E. Whatley