Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7823645 | Downhole inflow control device with shut-off feature | Knut Henriksen, Craig Coull | 2010-11-02 |
| 7409999 | Downhole inflow control device with shut-off feature | Knut Henriksen, Craig Coull | 2008-08-12 |