Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404064 | Fixing assembly and fixing device | Haijun Yu, Yinghao Xie, Xuemei Zhang, Aixia Li, Changdong Li | 2025-09-02 |
| 12383932 | Ultrasonic vibrating screen | Haijun Yu, Changdong Li, Aixia Li, Yinghao Xie, Xuemei Zhang | 2025-08-12 |
| 12374741 | Dustproof safety feeding device for power battery black powder acid leaching and feeding | Haijun Yu, Changdong Li, Yinghao Xie, Xuemei Zhang | 2025-07-29 |