Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9353886 | Solenoid valve having air tap structure | Cheng-Kai Tung | 2016-05-31 |
| 9022349 | Solenoid valve having air tap structure | Cheng-Kai Tung | 2015-05-05 |
| 9004447 | Pressure relief valve | Cheng-Kai Tung | 2015-04-14 |