Patents by Inventor Keith Manning

Keith Manning 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).

  • Diaphragm spring clutch
    Patent number: 5129499
    Abstract: An industrial clutch has a diaphragm spring (40) which over-centers between full engagement and full disengagement. The clutch cover (12) has an abutment (64) which abuts the diaphragm spring (40) when the clutch is disengaged to prevent vibration of the diaphragm spring.
    Type: Grant
    Filed: May 2, 1991
    Date of Patent: July 14, 1992
    Assignee: Automotive Products PLC
    Inventors: Daniel L. Killian, Keith Manning