Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11313477 | Ball valve with forced-sealing operation | Zhigang Liu, Jimeng Chen | 2022-04-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11313477 | Ball valve with forced-sealing operation | Zhigang Liu, Jimeng Chen | 2022-04-26 |