Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11822046 | Method for calculating safe drilling fluid density in fractured formation | Xiangchao Shi, Leiyu Gao, Jianfeng Liu, Hao Yu, Yuting Dai +3 more | 2023-11-21 |
| 11302135 | Apparatus for selling cigarettes and system for accessing cigarettes | Xianzhou LV, Yingkui Zhou, Dan Lin, Faqing LV, Huidong Yao +14 more | 2022-04-12 |