Patents by Inventor Fred Fuller

Fred Fuller 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).

  • Circumferential seal with ceramic rotor
    Patent number: 6322081
    Abstract: A circumferential seal for sealing between a rotating shaft and a stationary housing circumscribing the shaft. The seal comprises a stator mounted to said housing and having a radially inward facing carbon portion and a rotor with a ceramic sealing member having a radially outward facing surface in rubbing contact with said carbon portion. The rotor also includes a metal clamping means for mounting the ceramic sealing member to the shaft. The clamping means includes an axial flexible clamping member, and a radial flexible clamping member that together clamp onto a mounting flange of the ceramic sealing member when exposed to the compressive force of a lockup assembly.
    Type: Grant
    Filed: July 11, 1997
    Date of Patent: November 27, 2001
    Assignee: Ceramic Engineering Consulting, Inc.
    Inventors: M Rifat Ullah, Michael F. O'Brien, Fred Fuller, Gary Boyd