Patents by Inventor Zizheng Zhang

Zizheng Zhang 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).

  • SELF-STABILIZING INTEGRALLY-MOLDED PILLAR FILLING STRUCTURE FOR UNDERGROUND MINES
    Publication number: 20250146414
    Abstract: A self-stabilizing integrally-molded pillar filling structure for underground mines is provided, belonging to the field of supporting structures, which includes an airbag, and the airbag is provided with a feed filling port and a gas inflation port; a telescopic bearing piece, and the telescopic bearing piece is fixedly provided on an inner surface of the airbag and is capable of expanding and contracting with volume change of an inner cavity of the airbag; and steel hoops, and the steel hoops are fixedly provided on an outer surface of the airbag.
    Type: Application
    Filed: August 16, 2024
    Publication date: May 8, 2025
    Inventors: Shuai YAN, Jianbiao BAI, Yonghong GUO, Xiangyu WANG, Ying XU, Bo ZHANG, Honglin LIU, Yang YU, Meng WANG, Zizheng ZHANG, Weiguang ZHANG, Wenda WU, Rui WANG, Zizhao FU
  • Window air conditioner
    Patent number: D962405
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: August 30, 2022
    Assignees: GD MIDEA AIR-CONDITIONING EQUIPMENT CO., LTD., MIDEA GROUP CO., LTD.
    Inventors: Yongyi Yang, Zizheng Zhang, Hyunmin Ham, Zhigang Xing
  • Window air conditioner
    Patent number: D1032811
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: June 25, 2024
    Assignees: GD MIDEA AIR-CONDITIONING EQUIPMENT CO., LTD., MIDEA GROUP CO., LTD.
    Inventors: Yongyi Yang, Zizheng Zhang, Hyunmin Ham, Zhigang Xing
  • Window air conditioner
    Patent number: D1032812
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: June 25, 2024
    Assignees: GD MIDEA AIR-CONDITIONING EQUIPMENT CO., LTD., MIDEA GROUP CO., LTD.
    Inventors: Yongyi Yang, Zizheng Zhang, Hyunmin Ham, Zhigang Xing
  • Window air conditioner
    Patent number: D1033612
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: July 2, 2024
    Assignees: GD MIDEA AIR-CONDITIONING EQUIPMENT CO., LTD., MIDEA GROUP CO., LTD.
    Inventors: Yongyi Yang, Zizheng Zhang, Hyunmin Ham, Zhigang Xing
  • Air conditioner
    Patent number: D1040294
    Type: Grant
    Filed: May 2, 2022
    Date of Patent: August 27, 2024
    Assignees: GD MIDEA AIR-CONDITIONING EQUIPMENT CO., LTD., MIDEA GROUP CO., LTD.
    Inventors: Zizheng Zhang, Jiho Jung, Yan Zhang