Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9453398 | Self-stabilizing gas lift valve | Hong Zhang | 2016-09-27 |
| 9284825 | Gas-lift safety valve actuated by a sensor | Changkuan Yu, Eric Wright Gilbertson, Franz Hover, Dennis John Harris | 2016-03-15 |