Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11525514 | Magnetic liquid sealing device | Decai Li, Yingsong Li, Sijie REN, Pengdong Han | 2022-12-13 |
| 11415226 | Magnetic fluid sealing device for sealing fluid medium | Decai Li | 2022-08-16 |
| 11408512 | Magnetic fluid sealing device | Decai Li, Zixian Li | 2022-08-09 |
| 11215286 | Magnetic liquid sealing device adapted to axial and radial displacements of connection | Decai Li, Siyu Chen, Qian Li, Rui Sun, Jixian Yang +1 more | 2022-01-04 |