Patents by Inventor John D Overholt

John D Overholt 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).

  • Propshaft assembly with universal joint having non-conductive sleeve between yoke and bearing cup
    Patent number: 8092310
    Abstract: A propshaft having first and second universal joints. The first universal joint has a first joint member, which is fixedly coupled to a first end of the shaft member, and a second joint member that is pivotally coupled to the first joint member. The second universal joint has a third joint member, which is fixedly coupled to a second end of the shaft member opposite the first end, and a fourth joint member that pivotally coupled to the third joint member. At least one of the second joint member and the fourth joint member is electrically insulated from the shaft member.
    Type: Grant
    Filed: January 20, 2009
    Date of Patent: January 10, 2012
    Assignee: American Axle & Manufacturing, Inc.
    Inventors: Kevin M Ledford, John D Overholt, Bruce A Duncan