Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12007024 | Lubricating mechanism of pin connection pair of internal combustion engine | Shaobo Zeng | 2024-06-11 |
| 11713729 | Piston for splitting internal cooling runner | Zhenfei Ma, Defeng Song, Siyan Wang | 2023-08-01 |