Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11713674 | Pressure pulse communication system and method during gas drilling | Xingyu Chen, Yingfeng Meng, Gao Li, Yijian Chen, Hongtao Li +1 more | 2023-08-01 |
| 11371962 | Multi-frequency acoustic velocity measurement device for core | Yijian Chen, Xingyu Chen, Gao Li, Lunping Zhang, Chaofan Tu +1 more | 2022-06-28 |