Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9352461 | Device and method for protecting the rock drilling machine from corrosion | Jörgen Rodert | 2016-05-31 |
| 9016396 | Percussion device and rock drilling machine | — | 2015-04-28 |
| 8739896 | Percussion device | Jörgen Rodert | 2014-06-03 |
| 8453756 | Rock drilling equipment and a method in association with same | — | 2013-06-04 |
| 8201640 | Method in respect of a percussive device, percussive device and rock drilling machine | — | 2012-06-19 |
| 7896100 | Valve device for a percussion device and a percussion device for a rock drilling machine | — | 2011-03-01 |
| 7628223 | Rock drilling device | Jörgen Rodert | 2009-12-08 |
| 7581599 | Percussive device for a rock drilling machine, method for achieving a reciprocating piston movement and rock drilling machine | — | 2009-09-01 |
| 7484570 | Percussion device | Jörgen Rodert | 2009-02-03 |
| 7438138 | Impact adapter for transfer of impacts and rotation from an impact rock drilling machine to a drill string | Per Jonsson | 2008-10-21 |
| 6371222 | Hammer device | Jörgen Rodert | 2002-04-16 |
| 5375670 | Drill string component for drilling with a liquid driven drilling machine | Berndt Ekwall, Martin Allen Peterson | 1994-12-27 |
| 5372196 | Hammer drill device | — | 1994-12-13 |
| 5320189 | Rock drilling device | Jörgen Rodert | 1994-06-14 |
| 5244049 | Rock drilling device | Jörgen Rodert | 1993-09-14 |
| 5207280 | Device in hammer machines | Jörgen Rodert | 1993-05-04 |
| 4993504 | Device for efficient energy transfer and damping of impact drilling machines | Jörgen Rodert | 1991-02-19 |
| 4991669 | Device for controlling the passage of a flushing medium in impact machines | — | 1991-02-12 |
| 4387775 | Rock drilling apparatus | Ebbe S. Adolfsson, Carl G. B. Ekwall | 1983-06-14 |