Patents by Inventor Sidney J. Audiffred, Jr.

Sidney J. Audiffred, Jr. 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).

  • Patent number: 4248330
    Abstract: A hydraulic control system for a multi-directional multi-speed transmission for the power train of a vehicle includes means responsive to the directional shift of the transmission at a predetermined minimum speed to automatically apply the brakes of the vehicle during a shifting period.
    Type: Grant
    Filed: May 18, 1977
    Date of Patent: February 3, 1981
    Assignee: Caterpillar Tractor Co.
    Inventors: Sidney J. Audiffred, Jr., David S. Ohaver