Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11077406 | Central tube set, spiral wound reverse osmosis membrane component, and reverse osmosis water purifier | Peng Gui, Fangzhen Zheng, Guodong Song | 2021-08-03 |
| 10967330 | Central tube component of filter element and manufacturing method thereof | Guodong Song, Peng Gui | 2021-04-06 |
| 10807045 | Central tube for filter cartridge and filtering device having same | Guodong Song, Peng Gui | 2020-10-20 |
| 10589229 | Central tube component of filter element and manufacturing method thereof | Guodong Song, Peng Gui | 2020-03-17 |
| 10399021 | Water purification system | Xingzhi Zhang | 2019-09-03 |
| 10399011 | Integrated composite filter cartridge and water purifying system having same | Lei Liu | 2019-09-03 |
| 10399019 | Integrated composite filter and water purification system having the same | — | 2019-09-03 |
| 10370265 | Water purification system | Lei Liu, Xingzhi Zhang | 2019-08-06 |