Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10113301 | Arrangement for the removable coupling of a tool with a manoeuvrable arm of a working machine | — | 2018-10-30 |
| 6102141 | Rock drill having an internal flushing channel | Håkan Engström, Goran Palmberg | 2000-08-15 |
| 5575342 | Percussion drill bit, an insert for use therein and a method of drilling a bore | Bengt sberg | 1996-11-19 |
| 5435401 | Down-the-hole rock drill | Leif Hedstrom | 1995-07-25 |
| 5358063 | Drill bit | Bengt Asberg | 1994-10-25 |
| 5284216 | Down-the-hole drill tool for drilling in advance of a casing tube | Anders Brungs, Kjell Jansson, Bengt Asberg | 1994-02-08 |
| 5112165 | Tool for cutting solid material | Bengt Asberg | 1992-05-12 |
| 5074623 | Tool for cutting solid material | Jan Akerman, Bengt Asberg | 1991-12-24 |
| 4976496 | Valve openable in response to displacement of a cutting tool | Bengt Asberg | 1990-12-11 |
| 4921310 | Tool for breaking, cutting or working of solid materials | Lennart Hansson, Hans-Olay Norman | 1990-05-01 |
| 4784517 | Method and device for working of road surfaces | Sven A. Bergqvist, Bert G. Levefelt | 1988-11-15 |
| 4733915 | Device for supplying fluid at tools for breaking solid material | — | 1988-03-29 |
| 4705321 | Device for supplying fluid to a tool for breaking hard material | — | 1987-11-10 |