Patents by Inventor Christopher J. Fone

Christopher J. Fone 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).

  • Mechanical face seals
    Patent number: 5332235
    Abstract: A mechanical face seal has a first seal face member mounted in fixed rotational and axial relationship and sealed with respect to a housing, and a second seal face member mounted with respect to a shaft by means of an elastomeric bellows unit, the bellows unit being axially compressed so that it urges the second seal face member into sealing engagement with the first seal face member; the elastomeric bellows unit being formed from an elastomeric composition with reinforcing fibres embedded therein, the reinforcing fibres being orientated axially of the bellows unit.
    Type: Grant
    Filed: July 6, 1992
    Date of Patent: July 26, 1994
    Assignee: John Crane UK Limited
    Inventors: Christopher J. Fone, James Gilbert, Paul Martin