Patents by Inventor Zhang Qing Hua

Zhang Qing Hua 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).

  • Non-pneumatic tire
    Patent number: 7231948
    Abstract: A non-pneumatic tire comprising a toroidal-shaped tube having inner and outer circumferential surfaces and opposite side surfaces collectively forming a hollow chamber therebetween, the tube having at least two openings proximate the inner circumferential surface, and a solid fill composition disposed in the hollow chamber of the tube. The non-pneumatic tire provides the benefits of a smooth, comfortable ride, durability, and lightweight with good load-carrying capability.
    Type: Grant
    Filed: March 18, 2004
    Date of Patent: June 19, 2007
    Assignee: Carlisle Intangible Company
    Inventors: Jacob Charles Forney, III, Zhang Qing Hua