Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9611694 | Thread device, thread joint and drill string component for percussive rock drilling | Leif Nordfeldt | 2017-04-04 |
| 9109397 | Drill string component for noise control during percussion drilling | Jimmy Carlsson, Göran Stenberg, Mattias Göthberg, Samuel Enblom | 2015-08-18 |