Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7757779 | Compressed air percussive mechanism for a down hole hammer and down hole hammer | Torbjörn Jacobsson | 2010-07-20 |
| 5992545 | Down-the-hole drilling machine | — | 1999-11-30 |
| 5787995 | Water driven hammer device | Gunnar Wijk | 1998-08-04 |
| 5488998 | Fluid driven down-the-hole drilling machine | Martin Allen Peterson | 1996-02-06 |
| 5375670 | Drill string component for drilling with a liquid driven drilling machine | Martin Allen Peterson, Kurt Andersson | 1994-12-27 |
| 5318140 | Fluid operated drill apparatus | Torbjorn Jakobsson, Martin Allen Peterson | 1994-06-07 |
| 5279371 | Down-the-hole drilling machine | Torbjorn Jakobsson, Martin Allen Peterson | 1994-01-18 |
| 4871035 | Damping device for a percussion rock drilling machine | — | 1989-10-03 |