Patents by Inventor Michael P. Duddy

Michael P. Duddy 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).

  • Aluminum propeller shaft with constant velocity joint
    Patent number: 6364779
    Abstract: A driveline assembly for rotatably interconnecting a first power transmission device to a second power transmission device includes a propeller shaft, an adapter plate, a stub shaft and a constant velocity joint. The propeller shaft has a first end coupled to the adapter plate and a second end adapted to be drivingly coupled to the first power transmission device. The stub shaft includes a substantially cylindrical rod having a first end and a second end. The stub shaft further includes a flange radially extending from the first end of the rod wherein the flange is coupled to the adapter plate. The constant velocity joint is slidingly engaged and rotatably coupled to the second end of the stub shaft and the constant velocity joint is adapted to be coupled to the second power transmission device.
    Type: Grant
    Filed: January 31, 2000
    Date of Patent: April 2, 2002
    Assignee: American Axle & Manufacturing, Inc.
    Inventor: Michael P. Duddy