Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1075911 | Pen | — | 2025-05-20 |
| 11339994 | Control method and control device for variable-frequency and variable-capacity heat pump hot-air drying system | Yujun Wang, Yunyun Wu, Zhonghai Ji, Ying Wang, Tianshu Wang +1 more | 2022-05-24 |
| 11161763 | Multi-stage gravity-type sludge drying apparatus and method for drying sludge using same | Xukun Zhang, Meng Chen, Zhu Yang, Maoyun Gan, Xueping Zou +2 more | 2021-11-02 |
| 10433940 | Electric toothbrush | — | 2019-10-08 |