Patents by Inventor Joanna Jiang

Joanna Jiang 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).

  • Rotation connector
    Publication number: 20020070550
    Abstract: A rotation connector includes a first connecting member provided with a female joint section defining an insertion recess and a ball locking groove, a second connecting member provided with a male joint section rotatably secured in the insertion recess and defining a ball receiving groove aligning with the ball locking groove, a plurality of rolling balls each mounted in the ball locking groove, and an elastic cushion secured in the ball receiving groove and urged on the rolling balls.
    Type: Application
    Filed: December 12, 2000
    Publication date: June 13, 2002
    Inventors: Michael Lin, Joanna Jiang