Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10590718 | Pipe handling unit | Bjørn Eilertsen | 2020-03-17 |
| 9932789 | Feeding device for a downhole tool and method for axial feeding of a downhole tool | Jarle Veshovde | 2018-04-03 |
| 9822593 | Device for a pipe handling unit and method of inserting and withdrawing a pipe string in/from a borehole | Bjorn Eilertsen | 2017-11-21 |
| 9777544 | Continuous drilling fluid circulation unit and arrangement | Bjorn Eilertsen | 2017-10-03 |
| 9725955 | Arrangement for continuous circulation of drilling fluid during drilling operations | Bjorn Eilertsen | 2017-08-08 |
| 9708854 | Device and method for drilling with continuous tool rotation and continuous drilling fluid supply | Helge Krohn, Mads Grinrod | 2017-07-18 |
| 8794351 | Device and method for drilling with continuous tool rotation and continuous drilling fluid supply | Helge Krohn, Mads Grinrød | 2014-08-05 |
| 8726984 | Rotary table device for a pipe string | Helge Krohn, Ove Kalvatn, Mads Grinrød | 2014-05-20 |
| 8651200 | Tool guide device for a drill floor | Helge Krohn, Mads Grinrød, Ove Kalvatn, Jarle Veshovde | 2014-02-18 |