Patents by Inventor Ronald Derek Barrett

Ronald Derek Barrett 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).

  • Clutch disc
    Patent number: 3964586
    Abstract: A clutch disc assembly comprises a pair of annular friction members each having an annular friction material layer bonded to an annular backing plate. The pair of friction members are secured in spaced apart relationship to an inner disc by segmentally shape corrugated leaf springs and rivets. The rivets are situated radially inwardly from the annular friction material layers so that the full thickness of the friction material may be used during the life of the clutch disc.
    Type: Grant
    Filed: July 2, 1973
    Date of Patent: June 22, 1976
    Assignee: Ford Motor Company
    Inventors: Ronald Derek Barrett, Michael Roi Howard