Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12173584 | Drive device for rotatable operation of a drill bit of a down-the-hole hammer | Magnus Hörman, Martin Öhnström, Magnus Fridsell | 2024-12-24 |
| 10030449 | Apparatus for drilling and lining a borehole | — | 2018-07-24 |
| 7159674 | Method and device for directional down-hole drilling | — | 2007-01-09 |
| 7040421 | Liquid driven downhole drilling machine | — | 2006-05-09 |
| 6994175 | Hydraulic drill string | — | 2006-02-07 |