Issued Patents All Time
Showing 25 most recent of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9364927 | Drill bit and production method | Klaus-Peter Bohn, Stefan Grasberger | 2016-06-14 |
| 8066290 | Chuck | Werner Britten | 2011-11-29 |
| 7429154 | Insertion end for a rotary and a percussive tool | Werner Britten | 2008-09-30 |
| 7374375 | Shank for a rotary and/or percussion working tool | Werner Britten | 2008-05-20 |
| 7309195 | Shank for a rotary and/or percussive tool | Hans-Werner Bongers-Ambrosius, Josef Obermeier, Werner Britten | 2007-12-18 |
| 7261169 | Shank for a rotary/percussion tool | Werner Britten | 2007-08-28 |
| 7258350 | Chuck for receiving a rotary-percussion tool | Werner Britten | 2007-08-21 |
| 6845827 | Rock drill head | Martin Richter, Udo Hauptmann, Stefen Götzfried | 2005-01-25 |
| 6712163 | Rock drilling tool | Hans-Werner Bongers-Ambrosius, Udo Hauptmann, Martin Richter | 2004-03-30 |
| 6675917 | Twist drill bit for rock drilling | Hans-Werner Bongers-Ambrosius | 2004-01-13 |
| 6659205 | Rock drill | Hans-Werner Bongers-Ambrosius, Udo Hauptmann, Martin Richter | 2003-12-09 |
| 6655479 | Twist-drill bit | Hans-Werner Bongers-Ambrosius | 2003-12-02 |
| 6533047 | Suction tool | Hans-Werner Bongers-Ambrosius | 2003-03-18 |
| 6450273 | Drilling tool including drilling head with multiple cutting members separated drilled material grooves | Hans-Werner Bongers-Ambrosius | 2002-09-17 |
| 6431295 | Rock drill | Hans-Werner Bongers-Ambrosius | 2002-08-13 |
| 6405723 | Suction tool | Hans-Werner Bongers-Ambrosius | 2002-06-18 |
| 6405813 | Rock drill for drilling bores in reinforced concrete | Hans-Werner Bongers-Ambrosius | 2002-06-18 |
| 6189633 | Drill | Hans-Werner Bongers-Ambrosius | 2001-02-20 |
| 6174112 | Tool for hand-held equipment | Hans-Werner Bongers-Ambrosius | 2001-01-16 |
| 6116361 | Boring tool | Udo Hauptmann, Harald Geiger, Anton Knoller, Josef Starkmann | 2000-09-12 |
| 6089337 | Drilling and/or chiseling tool | Hans-Werner Bongers-Ambrosius | 2000-07-18 |
| 6065908 | Drill | Hans-Werner Bongers-Ambrosius | 2000-05-23 |
| 5836410 | Percussive blow assisted rotary drill | — | 1998-11-17 |
| 5836408 | Rotary percussion blow assisted drill | Axel Neukirchen, Werner Bongers | 1998-11-17 |
| 5779403 | Percussive blow assisted rotary drill | Axel Neukirchen, Werner Bongers | 1998-07-14 |