Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |