Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11766580 | Valve structure with built-in valve seat of pre-action warning valve | Jiongliang Chen, Jiaxian Ou | 2023-09-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11766580 | Valve structure with built-in valve seat of pre-action warning valve | Jiongliang Chen, Jiaxian Ou | 2023-09-26 |