Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11754189 | Inflatable seal | Wan-Rong Kung | 2023-09-12 |
| 10605255 | Shaft-sealing device | — | 2020-03-31 |
| 8419019 | Magnetic fluid shaft-sealing device | — | 2013-04-16 |
| 8366116 | Shaft-sealing device | — | 2013-02-05 |