Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12146310 | Drain valve | Youpeng Chen, Congxian Huang, Shutuan Liu | 2024-11-19 |
| 11952762 | Flushing assembly, water supply assembly, lower position water suction assembly, water tank, check valve for use in a toilet, and method, device, and storage medium for controlling toilet water consumption | Junfeng Sun, Minggao Xu | 2024-04-09 |
| 11598078 | Flushing assembly, water supply assembly, lower position water suction assembly, water tank, check valve for use in a toilet, and method, device, and storage medium for controlling toilet water consumption | Junfeng Sun, Minggao Xu | 2023-03-07 |
| 11371228 | Flushing assembly, water supply assembly, lower position water suction assembly, water tank, check valve for use in a toilet, and method, device, and storage medium for controlling toilet water consumption | Junfeng Sun | 2022-06-28 |