Patents by Inventor Guangchao WANG

Guangchao WANG 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: 20240122982
    Abstract: A chimeric antigen receptor fusion protein co-expressing IL-7 and CCR2b, and application thereof are provided. The fusion protein includes a chimeric antigen receptor, a 2A peptide, IL-7, a 2A peptide and CCR2b which are sequentially linked in series.
    Type: Application
    Filed: March 30, 2021
    Publication date: April 18, 2024
    Inventors: Guangchao LI, Min LUO, Wen DING, Xuejun WANG
  • Patent number: 11014584
    Abstract: A coupler telescopic apparatus comprises a housing and a drawbar capable of extending and retracting along the housing, the housing is sleeved outside the drawbar, a limiting block is fixed arranged on an outer side face of the drawbar, a locking ring capable of coming into contact with the limiting block is sleeved inside the housing, and the locking ring is coaxial with the housing and rotatably connected to the housing; a through groove is axially formed on an inner surface of the locking ring, and the through groove correspond to the limiting block in shape, so that the limiting block passes through the through groove when the through groove is aligned with the limiting block, and then an extension of the drawbar is locked by rotating the locking ring to block the limiting block after the extension of the drawbar is completed. The present application can reduce space occupation and has simple structure.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: May 25, 2021
    Assignee: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD. (CN)
    Inventors: Guangchao Wang, Hui Liu, Qianqian Tian
  • Publication number: 20210078616
    Abstract: A coupler telescopic apparatus comprises a housing and a drawbar capable of extending and retracting along the housing, the housing is sleeved outside the drawbar, a limiting block is fixed arranged on an outer side face of the drawbar, a locking ring capable of coming into contact with the limiting block is sleeved inside the housing, and the locking ring is coaxial with the housing and rotatably connected to the housing; a through groove is axially formed on an inner surface of the locking ring, and the through groove correspond to the limiting block in shape, so that the limiting block passes through the through groove when the through groove is aligned with the limiting block, and then an extension of the drawbar is locked by rotating the locking ring to block the limiting block after the extension of the drawbar is completed. The present application can reduce space occupation and has simple structure.
    Type: Application
    Filed: September 29, 2020
    Publication date: March 18, 2021
    Inventors: Guangchao WANG, Hui LIU, Qianqian TIAN