Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11459302 | Refining process and refining system of caprolactam | Shibiao Cheng, Songlin Wang, Fei Shen, Han Wang, Xi Li +4 more | 2022-10-04 |
| 11150199 | Inspection system and method with variable-diameter traveling robot for inspection of natural gas pipeline | Zhen Chen, Qin Li, Nan Ji, Chan-Pai Liu, Ai Fu +2 more | 2021-10-19 |