Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10047756 | Ventilating fan | Zhenjian Yang, Shouyong Gao, Jingtao Yang, Zewei Rao, Jianrong Zhu | 2018-08-14 |
| 9868003 | Fire damper for ventilating fan | Guancheng Hou | 2018-01-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10047756 | Ventilating fan | Zhenjian Yang, Shouyong Gao, Jingtao Yang, Zewei Rao, Jianrong Zhu | 2018-08-14 |
| 9868003 | Fire damper for ventilating fan | Guancheng Hou | 2018-01-16 |