Patents by Inventor Dawhorng Dennis Wang

Dawhorng Dennis Wang 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: 9890808
    Abstract: A propshaft with an universal joint, a first tubular member and a second tubular member. The universal joint has first and second yoke arms that are pivotally coupled to one another. The first tubular member is fixedly coupled to the first yoke arms and has a plurality of first teeth. The second tubular member slidably received over the first tubular member and includes a plurality of second teeth. The first and second teeth engage one another when the propshaft is in an extended condition. The second teeth engage the first yoke arms when the propshaft is in a retracted condition.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: February 13, 2018
    Assignee: American Axle & Manufacturing, Inc.
    Inventor: Dawhorng Dennis Wang
  • Publication number: 20160312821
    Abstract: A propshaft with an universal joint, a first tubular member and a second tubular member. The universal joint has first and second yoke arms that are pivotally coupled to one another. The first tubular member is fixedly coupled to the first yoke arms and has a plurality of first teeth. The second tubular member slidably received over the first tubular member and includes a plurality of second teeth. The first and second teeth engage one another when the propshaft is in an extended condition. The second teeth engage the first yoke arms when the propshaft is in a retracted condition.
    Type: Application
    Filed: April 21, 2016
    Publication date: October 27, 2016
    Inventor: Dawhorng Dennis Wang