Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9435180 | Annular gas lift valve | Steven Johnstone | 2016-09-06 |
| 8931570 | Reactive in-flow control device for subterranean wellbores | Murray K. Howell | 2015-01-13 |
| 8668019 | Dissolvable barrier for downhole use and method thereof | — | 2014-03-11 |
| 7748468 | Sealing devices having a metal foam material and methods of manufacturing and using same | — | 2010-07-06 |
| 7730953 | Multi-cycle single line switch | — | 2010-06-08 |