Patents by Inventor Dongfeng DU

Dongfeng DU 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).

  • Folding device
    Patent number: 11926499
    Abstract: A folding device is provided. The folding device includes a bearing and fixing mechanism (1) configured to bear and fix a main body portion (21) of a to-be-folded device (2); a folding mechanism (3) located on at least one side of the bearing and fixing mechanism (1), the folding mechanism (3) being rotatably connected to the bearing and fixing mechanism (1) and configured to bear and fix a to-be-folded portion (22) of the to-be-folded device (2); and a driving mechanism (4) connected to the folding mechanism (3), the driving mechanism (4) being configured to drive the folding mechanism (3) to turn relative to the bearing and fixing mechanism (1), so as to fold the to-be-folded portion (22) to a side in a thickness direction of the main body portion (21). The folding device can fold automatically, and manual folding is avoided.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: March 12, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuqi Liu, Xinhong Lu, Wenyue Fu, Haoran Gao, Guangcai Yuan, Li Li, Shaodong Sun, Song Fang, Dongfeng Du, Qi Qi
  • METHOD FOR SELECTIVE HYDROGENATION OF BUTADIENE EXTRACTION TAIL GAS AND SELECTIVE HYDROGENATION APPARATUS THEREOF
    Publication number: 20240076559
    Abstract: The present invention belongs to the field of petrochemical industry, and discloses a method for selective hydrogenation of butadiene extraction tail gas and a selective hydrogenation apparatus thereof.
    Type: Application
    Filed: October 19, 2021
    Publication date: March 7, 2024
    Inventors: Yan LI, Jun TIAN, Dongfeng LI, Liang GUO, Chunfang LI, Yi YUE, Zhou DU, Zhan SHU, Shujuan LUO, Jieming YE, Ting CUI
  • FOLDING DEVICE
    Publication number: 20220250870
    Abstract: A folding device is provided, The folding device includes a bearing and fixing mechanism (1) configured to bear and fix a main body portion (21) of a to-be-folded device (2); a folding mechanism (3) located on at least one side of the bearing and fixing mechanism (1), the folding mechanism (3) being rotatably connected to the bearing and fixing mechanism (1) and configured to bear and fix a to-be-folded portion (22) of the to-be-folded device (2); and a driving mechanism (4) connected to the folding mechanism (3), the driving mechanism (4) being configured to drive the folding mechanism (3) to turn relative to the bearing and fixing mechanism (1), so as to fold the to-be-folded portion (22) to a side in a thickness direction of the main body portion (21), The folding device can fold automatically, and manual folding is avoided.
    Type: Application
    Filed: April 9, 2021
    Publication date: August 11, 2022
    Inventors: Shuqi LIU, Xinhong LU, Wenyue FU, Haoran GAO, Guangcai YUAN, Li LI, Shaodong SUN, Song FANG, Dongfeng DU, Qi QI