Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12345624 | Piston pin hole friction and wear test and torque measurement device | Yi Cui, Lining Gao, Shuo Liu, Zhaohui Xu | 2025-07-01 |
| 12276491 | Device for measuring diameter error of roller for threaded pair transmission | Yi Cui, Mingcai Xing, Shuo Liu, Meng Zhang | 2025-04-15 |