Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9279304 | Fluid pressure transmission pill | Ole Iacob Prebensen, Anne-Marie Friestad, Egil Ronaes | 2016-03-08 |
| 8927466 | Fluid pressure transmission pill | Ole Iacob Prebensen, Anne-Marie Friestad, Egil Ronaes | 2015-01-06 |
| 6818594 | Method for the triggered release of polymer-degrading agents for oil field use | Michael A. Freeman, David Antony Ballard, Ping Jiang, Kenneth Charles Symes, Kishor Kumar Mistry | 2004-11-16 |