Patents by Inventor Zi Gui Gao

Zi Gui Gao 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: 9060909
    Abstract: A foldable electric wheelchair that includes an array of support frame members strategically joined together at hinge joint points to allow the support user seat, a back support frame, a main support frame and a lower support frame to be easily manually folded into an array that are substantially parallel in the same plane occupying a small volume. The electric motors are powered by a pair of batteries each of which is mounted inside hollow main frame support members out of the way to reduce the overall volume and weight of the electric wheelchair.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: June 23, 2015
    Assignee: KD HEALTH CARE Co. USA, INC.
    Inventor: Zi Gui Gao