Patents by Inventor Shengrong TAO

Shengrong TAO 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).

  • DOUBLE-LIFT RIGID GAS SPRING
    Publication number: 20180355938
    Abstract: A double-lift rigid gas spring is invented. It includes an outer cylinder tube, an inner cylinder tube, a ventilated support, a valve body, and a control component. It has benefits: during working, gas pressure is released to push the liquid medium to enter the inner cylinder tube and the hollow piston rod.
    Type: Application
    Filed: November 16, 2017
    Publication date: December 13, 2018
    Inventor: Shengrong TAO