Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9352461 | Device and method for protecting the rock drilling machine from corrosion | Kurt Andersson | 2016-05-31 |
| 8794347 | Arrangement and method comprising a flushing head for a rock drilling machine, and rock drilling machine comprising the arrangement | Peter Birath | 2014-08-05 |
| 8739896 | Percussion device | Kurt Andersson | 2014-06-03 |
| 7628223 | Rock drilling device | Kurt Andersson | 2009-12-08 |
| 7484570 | Percussion device | Kurt Andersson | 2009-02-03 |
| 6860340 | Rock drilling machine | — | 2005-03-01 |
| 6371222 | Hammer device | Kurt Andersson | 2002-04-16 |
| 5320189 | Rock drilling device | Kurt Andersson | 1994-06-14 |
| 5244049 | Rock drilling device | Kurt Andersson | 1993-09-14 |
| 5207280 | Device in hammer machines | Kurt Andersson | 1993-05-04 |
| 5005656 | Device in impact machines | — | 1991-04-09 |
| 4993504 | Device for efficient energy transfer and damping of impact drilling machines | Kurt Andersson | 1991-02-19 |