Patents by Inventor Jianxian He

Jianxian He 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).

  • Type of energy-absorbing rock bolt device with umbrella-shaped structure
    Patent number: 11268383
    Abstract: The present invention discloses a type of energy-absorbing rock bolt device with umbrella-shaped structure, which consists of a body of bolt, and one end of the said body of bolt is equipped with a preloaded system, as well as the other end of the said body of bolt is equipped with the first support system, in addition, the said body of bolt is equipped with several second support systems, and the said second support system is located between the said preloaded system and the said first support system; meanwhile, the said second support system consists of the first umbrella-shaped support system and the second umbrella support system.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: March 8, 2022
    Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Songfeng Guo, Shengwen Qi, Shishu Zhang, Xingdong Ma, Guoqing Yuan, Xiuhua Wang, Bowen Zheng, Yu Zou, Xiaolin Huang, Ning Liang, Hang Li, Yubo Liu, Jianxian He, Xianglong Yao, Daping Tai, Guangming Luo
  • TYPE OF ENERGY-ABSORBING ROCK BOLT DEVICE WITH UMBRELLA-SHAPED STRUCTURE
    Publication number: 20220010681
    Abstract: The present invention discloses a type of energy-absorbing rock bolt device with umbrella-shaped structure, which consists of a body of bolt, and one end of the said body of bolt is equipped with a preloaded system, as well as the other end of the said body of bolt is equipped with the first support system, in addition, the said body of bolt is equipped with several second support systems, and the said second support system is located between the said preloaded system and the said first support system; meanwhile, the said second support system consists of the first umbrella-shaped support system and the second umbrella support system.
    Type: Application
    Filed: February 4, 2021
    Publication date: January 13, 2022
    Inventors: Songfeng Guo, Shengwen Qi, Shishu Zhang, Xingdong Ma, Guoqing Yuan, Xiuhua Wang, Bowen Zheng, Yu Zou, Xiaolin Huang, Ning Liang, Hang Li, Yubo Liu, Jianxian He, Xianglong Yao, Daping Tai, Guangming Luo