Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11717122 | Dust scraping device and cleaning apparatus | Cheng Tang, Fei Duan, Liang Zhong, Chongyue Xu, Lu Han | 2023-08-08 |
| 11717125 | Partition skirt device and cleaning apparatus | Cheng Tang, Fei Duan, Liang Zhong, Chongyue Xu, Lu Han | 2023-08-08 |
| 11684228 | Cyclonic separating device and surface cleaning device | Cheng Tang, Fei Duan, Liang Zhong, Yuan Lv | 2023-06-27 |