Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7373985 | Two-part telescopic tensioner for risers at a floating installation for oil and gas production | — | 2008-05-20 |
| 7296591 | Valve arrangement for reciprocating machinery such as a pump and an compressor | Age Kyllingstad | 2007-11-20 |
| 7243592 | Draining of oil leak in a hydraulic cylinder | — | 2007-07-17 |
| 7231981 | Inline compensator for a floating drill rig | Age Kyllingstad | 2007-06-19 |
| 7188677 | Tensioning system for production tubing in a riser at a floating installation for hydrocarbon production | — | 2007-03-13 |
| 7036396 | Drill pipe spinner device | Per Olav Haughom, Jørn Pollestad | 2006-05-02 |
| 7004121 | Arrangement at a piston engine and method of controlling the pistons | Age Kyllingstad | 2006-02-28 |
| 4246781 | Arrangements for measuring tension loading in wires | — | 1981-01-27 |