Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12313015 | Internal combustion engine with external circulation system and working method thereof | Ke Zeng, Xiaojun YIN | 2025-05-27 |
| 12221501 | Solvent-free adhesion-promoting chain extender, preparation method therefor, and application thereof | Congshan Zhu, Shengren Si | 2025-02-11 |