Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11457784 | Vacuum cleaner with dust bag | Feng Wang, Yimin Han, Bin Hu | 2022-10-04 |
| 11439787 | Portable air filtration and disinfection device for a respirator system | Yang Sun | 2022-09-13 |
| 11375864 | Vacuum cleaner | Xiaoxian Bian, Miao-Chan Wu | 2022-07-05 |
| 11297990 | Dust collector and self-cleaning method for filter thereof | Zhao Kong, Liang Xia | 2022-04-12 |