Issued Patents 2020
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10859181 | Water softener valve | Guohua Liu | 2020-12-08 |
| 10767777 | Ejector of a water softener valve and water softener valve | Guohua Liu | 2020-09-08 |
| D895763 | Water softening device | Guohua Liu | 2020-09-08 |
| 10745297 | Water softener | Guohua Liu | 2020-08-18 |
| 10731773 | Water softener valve and water softener | Guohua Liu | 2020-08-04 |