Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11391004 | Construction method for upright lifting of large-tonnage box girder to bridge, and erection method for large-tonnage box girder | Yusen Ye, Jiannan Chen, Chuanwei Pan, Guohui Lin, Mengqiang Chen +5 more | 2022-07-19 |
| 11248444 | Tool for opening sliding sleeve | Zhenwei Gan, Bin Qi, Zhimin Hou, Shunqu Hu, Wei Zhao +4 more | 2022-02-15 |
| 11236590 | Device for jet packing and fracturing and tubular column comprising same | Zhenwei Gan, Bin Qi, Zhimin Hou, Shunqu Hu, Wei Lei +4 more | 2022-02-01 |