Patents by Inventor Liqun Zheng

Liqun Zheng 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).

  • Publication number: 20180340864
    Abstract: The invention provides a four-station road vehicle wheel radial fatigue test device and method. The device includes wheel and tire assemblies, wheel and tire assembly supporting and loading devices, a drum and a bracket. The device can realize simultaneous test on four test stations, thereby improving the utilization rate of equipment, and increasing the test efficiency. By adopting the vertical drum, the size and occupation area of the test device are reduced, and the wheel and tire assemblies are more convenient to install and remove. By adopting the servo motor as a power source for the drum and the wheel and tire assembly supporting and loading devices, the rotating speed and the load are easier to control, and the accuracy is higher.
    Type: Application
    Filed: September 20, 2017
    Publication date: November 29, 2018
    Inventor: Liqun Zheng
  • Publication number: 20140250734
    Abstract: The present invention relates to a shoe including pressed flowers thereon. Methods for a making a shoe with pressed flowers attached to the outer surface include the use of adhesive to bond the flowers to the shoe. The pressed flowers may be arranged on the shoe according to any desired or suitable ornamental pattern.
    Type: Application
    Filed: March 5, 2013
    Publication date: September 11, 2014
    Inventor: Liqun Zheng