Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10364903 | Multifunctional softening valve and water processing apparatus thereof | Hai-Lin Yuan | 2019-07-30 |
| 10359122 | Control valve for a water softener | Hai-Lin Yuan, Xian Wu | 2019-07-23 |