Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10217583 | Pressure responsive switch for actuating a device | Wei-Hsuan Huang | 2019-02-26 |
| 9982533 | Method and apparatus for generating pulses in a fluid column | — | 2018-05-29 |
| 9657566 | Downhole tool with expander ring | — | 2017-05-23 |