Issued Patents 2024
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018529 | Spiral magnetic fluid composite sealing structure of roller bit | Yi Zhou, Fuxiao Zhang, Xinlin Lei, Wenchao Song | 2024-06-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018529 | Spiral magnetic fluid composite sealing structure of roller bit | Yi Zhou, Fuxiao Zhang, Xinlin Lei, Wenchao Song | 2024-06-25 |