Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10031532 | Pressure balance valve of internal retention structure | Chuanbao Zhu, Keping Li | 2018-07-24 |
| 9803345 | Single waterway shaft structure | Keping Li | 2017-10-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10031532 | Pressure balance valve of internal retention structure | Chuanbao Zhu, Keping Li | 2018-07-24 |
| 9803345 | Single waterway shaft structure | Keping Li | 2017-10-31 |