Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9732976 | Direct power control for constant airflow control with advanced motor system modeling | Zheng Zhang, Yiqiao Zhou, Yong Zhao | 2017-08-15 |
| 9547974 | Device for detecting blockage of air filter mesh | Yiqiao Zhou, Zheng Zhang, Xiansheng ZHANG, Hairong Sun, Yong Zhao | 2017-01-17 |