Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404907 | Drum brake | Zhengfang Han, Wulin Han, Bo Wang, Xiangle Qiao, Dejun Cui +1 more | 2025-09-02 |
| 12248050 | Dynamic error measurement apparatus, system, method for electricity meter | Jian Ma, Tao Hu, Xuewei Wang, Kexu Chen, Di Wu +4 more | 2025-03-11 |