Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9404590 | Valve and method for controlling flow in tubular members | — | 2016-08-02 |
| 8678350 | Valve and method for controlling flow in tubular members | — | 2014-03-25 |
| 8463585 | Apparatus and method for modeling well designs and well performance | Kai Sun, Jesse J. Constantine | 2013-06-11 |
| 7823645 | Downhole inflow control device with shut-off feature | Knut Henriksen, Erik Helsengreen | 2010-11-02 |
| 7409999 | Downhole inflow control device with shut-off feature | Knut Henriksen, Erik Helsengreen | 2008-08-12 |