Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10047756 | Ventilating fan | Shouyong Gao, Jingtao Yang, Min Long, Zewei Rao, Jianrong Zhu | 2018-08-14 |
| 9441642 | Structure for reducing noise of ventilating fan | Zewei Rao, Xiaoming Li | 2016-09-13 |
| 8876582 | Ventilation device | Shouyong Gao, Jingtao Yang, Jianrong Zhu, Qingquan Liu | 2014-11-04 |