Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409528 | Finishing device and method for distributed aero-engine bearing rings | Shengqiang Yang, Xuenan LI, Zhiwei Du, Wenhui Li | 2025-09-09 |
| 12312500 | Polishing paste for superfinishing of bearing steel, and preparation method and use thereof | Xingfu Wang, Xunzheng Zhai, Zhiqiang Liang, Wenhui Li, Shengqiang Yang +3 more | 2025-05-27 |