Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10780468 | Cleaning device and cleaning method | Junwen LUO, Bin Chang, Lijun Yin, Hui Sun, Hongyang Tang | 2020-09-22 |
| 10500531 | Filtering element, filtering equipment and water circulation cleaning system | Donglei Wen, Zhenshan Lu, Bin Chang, Bo Bai, Lijun Yin | 2019-12-10 |