Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10920406 | Leak-proof device for water inlet valve | Yongmao Liu | 2021-02-16 |
| 10920903 | Water stop valve | Yongmao Liu | 2021-02-16 |
| 10891127 | Configuring data collection | Jingfu Ye, Tao Zhang, Xiaoning Wang | 2021-01-12 |