Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11833466 | Purification device for purifying air and air purifier having same | Yunqing Han, Chubin Ou, Tongsheng Wang | 2023-12-05 |
| 11794143 | Air purifier | Yunqing Han, Zulin PU | 2023-10-24 |
| 11661943 | Counter-rotating fan | Xiaowen Hu, Site HU, Rong Yi | 2023-05-30 |