Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11754189 | Inflatable seal | Chi-Yun Kung | 2023-09-12 |
| 9027906 | Filler assembly for a valve | — | 2015-05-12 |
| 8955825 | Leakage prevention device for a valve | — | 2015-02-17 |
| 8870155 | Sleeve driven valve | — | 2014-10-28 |