Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11116367 | Electric fan and vacuum cleaner having same | Xiaowen Hu, Hui Zhang, Xiaoyin Han | 2021-09-14 |
| 10948228 | Air duct assembly and refrigerator | Yaodong Wang, Haibin Zhang, Nanfei Yao, Hui Zhang, Jizhe Zhang +3 more | 2021-03-16 |
| 10914474 | Cooking fume purification module and cooking fume exhaust device | Hui Zhang, Jizhe Zhang, Xiaokang Peng, Chubin Ou, Yuan Lan | 2021-02-09 |