Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11525514 | Magnetic liquid sealing device | Decai Li, Xiao Liu, Sijie REN, Pengdong Han | 2022-12-13 |
| 11466780 | Magnetic liquid sealing device | Decai Li, Sijie REN, Pengdong Han | 2022-10-11 |