Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11814944 | Reactive torque automatic balancing device for screw drilling tool, drilling string, and method | Deshuai Zheng, Chengcheng Niu, Xiangyang Zhao, Lingling YU | 2023-11-14 |
| 11541586 | Processing technology for making seepage irrigation pipe with alternate effluent section and non-effluent section | Zhaojun Sun, Jun He, Lei Han, Zhen Wang, Dongdong Han +4 more | 2023-01-03 |