Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12350786 | Apparatus for automatically polishing butt weld of ultralong large-diameter pipeline | Yunlong Li, Yufeng Wu, Jianlin Zhang, Haojun Liu, Jiujun Wang +5 more | 2025-07-08 |