Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6951331 | Sleeve valve for controlling fluid flow between a hydrocarbon reservoir and tubing in a well and method for the assembly of a sleeve valve | Per Olav Haughom | 2005-10-04 |
| 6880638 | Device for an opening in an outer sleeve of a sleeve valve and a method for the assembly of a sleeve valve | Per Olav Haughom | 2005-04-19 |