Patents by Inventor Danyan LIU

Danyan LIU 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).

  • Indolizine derivatives and their application in medicine
    Patent number: 11970495
    Abstract: This invention relates to indolizine derivatives and their use in medicine. In particular, the present invention discloses novel substituted indolizine derivatives of formula I, or an isotopically labeled compound thereof, or an optical isomer thereof, a geometric isomer thereof, a tautomer thereof or a mixture of various isomers, or a pharmaceutically acceptable salt thereof, or a prodrug thereof. The invention also relates to the use of these compounds in medicine.
    Type: Grant
    Filed: April 10, 2023
    Date of Patent: April 30, 2024
    Assignee: KIND PHARMACEUTICAL
    Inventors: Dong Liu, Dongdong Chen, Biao Deng, Xiangyun Tu, Zinan Fang, Haohao Wu, Danyan Gu
  • Indolizine derivatives and their application in medicine
    Patent number: 11945817
    Abstract: This invention relates to indolizine derivatives and their use in medicine. In particular, the present invention discloses novel substituted indolizine derivatives of formula I, or an isotopically labeled compound thereof, or an optical isomer thereof, a geometric isomer thereof, a tautomer thereof or a mixture of various isomers, or a pharmaceutically acceptable salt thereof, or a prodrug thereof. The invention also relates to the use of these compounds in medicine.
    Type: Grant
    Filed: April 10, 2023
    Date of Patent: April 2, 2024
    Assignee: KIND PHARMACEUTICAL
    Inventors: Dong Liu, Dongdong Chen, Biao Deng, Xiangyun Tu, Zinan Fang, Haohao Wu, Danyan Gu
  • Road-rail dual-purpose vehicle
    Patent number: 11766907
    Abstract: The present disclosure discloses a road-rail dual-purpose vehicle, comprising a vehicle frame (1), and a lifting airbag mounting seat (1c) is provided between two longitudinal beams (1a) of the vehicle frame (1); a load-bearing airbag insertion hole is formed in a lower cover plate (1a1) of the longitudinal beam (1a); a load-bearing airbag mounting seat (1d) is installed in the load-bearing airbag insertion hole, and a bearing bolster (1e) is installed on an outer side of the longitudinal beam (1a). The road-rail dual-purpose vehicle is suitable for transportation.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: September 26, 2023
    Assignee: CRRC YANGTZE CO., LTD.
    Inventors: Haiping Hu, Hui Luo, Danyan Liu, Ruijin Jiang, Fengwei Liu, Ziming Li, Xianhong Peng, Xiong Yao, Zhiying Xiang, Xiannian Wu, Chunyu Huang
  • ROAD-RAIL DUAL-PURPOSE VEHICLE
    Publication number: 20200406696
    Abstract: The present disclosure discloses a road-rail dual-purpose vehicle, comprising a vehicle frame (1), and a lifting airbag mounting seat (1c) is provided between two longitudinal beams (1a) of the vehicle frame (1); a load-bearing airbag insertion hole is formed in a lower cover plate (1a1) of the longitudinal beam (1a); a load-bearing airbag mounting seat (1d) is installed in the load-bearing airbag insertion hole, and a bearing bolster (1e) is installed on an outer side of the longitudinal beam (1a).
    Type: Application
    Filed: April 12, 2019
    Publication date: December 31, 2020
    Applicant: CRRC YANGTZE CO., LTD.
    Inventors: Haiping HU, Hui LUO, Danyan LIU, Ruijin JIANG, Fengwei LIU, Ziming LI, Xianhong PENG, Xiong YAO, Zhiying XIANG, Xiannian WU, Chunyu HUANG