Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9212552 | Device and method for driving tunnels, galleries or the like | Kaj Emanuelsson, Jerk Back | 2015-12-15 |
| 9004609 | Method and device for working rock | Gunnar Nord, Federico Scolari, Jan F. Wallenius, Morgan Norling, Kaj Emanuelsson | 2015-04-14 |
| 8950823 | Method and device for working rock | Mats Kristerson, Carl-Gustav Martinsson, Kaj Emanuelsson, Morgan Norling, Gunnar Nord | 2015-02-10 |
| 7762350 | Impulse generator and impulse tool with impulse generator | — | 2010-07-27 |
| 7357458 | Boring rig | — | 2008-04-15 |
| 5228752 | Tunnel boring machine | — | 1993-07-20 |
| 5104261 | Tunnel boring machine | Olov Anderson, Helmut Dick | 1992-04-14 |