Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11684879 | Water purifier and filter cartridge device thereof | Kunyuan He, Kaihua Xuan | 2023-06-27 |
| 10293286 | Water purification device based on filter cartridge anti-counterfeiting identification | Yaowu Zhong, Qing'en Li | 2019-05-21 |