Issued Patents All Time
Showing 1–7 of 7 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 | Odd B. Skjaerseth | 2017-11-21 |
| 9777544 | Continuous drilling fluid circulation unit and arrangement | Odd B. Skjaerseth | 2017-10-03 |
| 9725955 | Arrangement for continuous circulation of drilling fluid during drilling operations | Odd B. Skjaerseth | 2017-08-08 |
| 6749408 | Piston pump | — | 2004-06-15 |
| 5437527 | Arrangement in a pipe handling system | John McGill | 1995-08-01 |
| 5244329 | Arrangement in a pipe handling system | John McGill | 1993-09-14 |
| 4629014 | Derrick | Roger C. Swisher, Jens O. Flobak, Nikolai Jakobsen, Jonny Gabrielsen | 1986-12-16 |