Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12031410 | Well drilling tool and method for determining parameter thereof | Haiping Zhang, Yanbin Zang, Jiachang Wang, Mingguang Sun, Xinghua Tao +3 more | 2024-07-09 |
| 11898417 | Drilling speed increasing device | Jiachang Wang, Haiping Zhang, Yanbin Zang, Mingguang Sun, Lishuang WANG +3 more | 2024-02-13 |