Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10167688 | Method of disconnecting a drill string at a drill rig | Lars E. Larsson, Per Vilen, Kent Evermark | 2019-01-01 |
| 9745806 | Drill rod gripping apparatus | Lars E. Larsson, Krister B Eriksson, Ola FREDIN | 2017-08-29 |
| 9650849 | Drilling rig rod handling apparatus | Lars E. Larsson, Per Vilen, Kent Evermark | 2017-05-16 |