Patents by Inventor Glenn L. Mayfield

Glenn L. Mayfield 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).

  • Removable, hermetically-sealing, filter attachment system for hostile environments
    Patent number: 4372853
    Abstract: A removable and reusable filter attachment system. A filter medium is fixed o, and surrounded by, a filter frame having a coaxial, longitudinally extending, annular rim. The rim engages an annular groove which surrounds the opening of a filter housing. The annular groove contains a fusible material and a heating mechanism for melting the fusible material. Upon resolidifying, the fusible material forms a hermetic bond with the rim and groove. Remelting allows detachment and replacement of the filter frame.
    Type: Grant
    Filed: June 3, 1981
    Date of Patent: February 8, 1983
    Assignee: The United States of America as represented by the Department of Energy
    Inventor: Glenn L. Mayfield