Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12146310 | Drain valve | Youpeng Chen, Shutuan Liu, Yunqing Zang | 2024-11-19 |
| 11927006 | Pushing force converting mechanism and concealed water tank | Youpeng Chen | 2024-03-12 |
| 11732834 | Split-type automatic lifting bracket device and sanitary product | Cunli Liang, Bing Dai | 2023-08-22 |