Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11448070 | Rock bolting rig and method at rock bolting rig | Martin Ekefalk, Jan Olsson, Björn Anders Larsson, Rene Deutsch | 2022-09-20 |
| 8905157 | Control system, rock drill rig and control method | Deyi Jiao, Eugene Cheng, Jonas Sinnerstad | 2014-12-09 |
| 7320560 | Controlled expansion of rock bolt | Tommy Persson, Morgan Kanflod, Fredrik Öberg, Tapio Toivonen, Niclas Örjas +1 more | 2008-01-22 |
| 5917368 | Voltage-to-current converter | Nianxiong Tan | 1999-06-29 |
| 4645226 | Dolly having an adjusting flexible or rigid connection | Christer Bystedt | 1987-02-24 |
| 4521450 | Method of increasing the electrical conductivity of cellulose-based materials or other impregnable materials | Robert Bjorklund, Ingemar Lundstrom, Bertil Nygren | 1985-06-04 |