Patents by Inventor Changrong Pan

Changrong Pan 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: 20230202134
    Abstract: The present disclosure discloses a fiber structure, including a plurality of fiber layers. The plurality of the fiber layers are stacked and arranged in a surrounding manner and are impregnated and cured in sequence. The fiber structure of the present disclosure is high in structural strength and low in mass. The present disclosure further provides a gymnastic apparatus force bearing frame, including the above-mentioned fiber structure, which is beneficial to reducing the weight of the gymnastic apparatus force bearing frame, facilitating the movement, transportation, disassembling, and assembling of the apparatus, and reducing the labor burden of an operator.
    Type: Application
    Filed: February 23, 2022
    Publication date: June 29, 2023
    Inventors: Gang CUI, Wei Zhang, Desen Xu, Changrong Pan, Wei Wang, He Wang, Wenhao Zhang, Hao Chen