Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7309195 | Shank for a rotary and/or percussive tool | Werner Kleine, Josef Obermeier, Werner Britten | 2007-12-18 |
| 7011165 | Rotating electric hand tool implement with safety routine | Ferdinand Kristen | 2006-03-14 |
| 6902012 | Percussion electrical hand-held tool | Ferdinand Kristen | 2005-06-07 |
| 6758288 | Rotary-percussion electrical tool | Martin Richter, Konrad Artmann | 2004-07-06 |
| 6719072 | Suction drill unit for dowel anchorage in rock | Tim Pröls | 2004-04-13 |
| 6712163 | Rock drilling tool | Werner Kleine, Udo Hauptmann, Martin Richter | 2004-03-30 |
| 6675917 | Twist drill bit for rock drilling | Werner Kleine | 2004-01-13 |
| 6659205 | Rock drill | Werner Kleine, Udo Hauptmann, Martin Richter | 2003-12-09 |
| 6655479 | Twist-drill bit | Werner Kleine | 2003-12-02 |
| 6644450 | Safety clutch for electrical hand-held tool | Ferdinand Kristen, Peter Hellmann | 2003-11-11 |
| 6640205 | Method and device for investigating and identifying the nature of a material | Roland Schaer, Hans Boni, Harald Schmitzer | 2003-10-28 |
| 6615930 | Suction module | Franz Popp, David Hruza, Rory Britz, Ralph Neuhauser | 2003-09-09 |
| 6578644 | Percussion rotary hand-held power tool with a rotatable guide tube | Jens Frenzel, Peter Gerold | 2003-06-17 |
| 6575254 | Electrical hand operated tool driving device with an electropneumatic striking mechanism | Martin Richter, Konrad Artmann | 2003-06-10 |
| 6533047 | Suction tool | Werner Kleine | 2003-03-18 |
| 6520266 | Percussion electrical hand-held tool | Martin Richter, Konrad Artmann | 2003-02-18 |
| 6520270 | Depth stop assembly for a hand-held power tool | Walter Wissmach, Ferdinand Kristen | 2003-02-18 |
| 6484814 | Electric hand tool implement with no-load stroke disconnection | — | 2002-11-26 |
| 6450273 | Drilling tool including drilling head with multiple cutting members separated drilled material grooves | Werner Kleine | 2002-09-17 |
| 6431295 | Rock drill | Werner Kleine | 2002-08-13 |
| 6431290 | Electric hand tool device with idle strike cutoff | Oliver Muhr | 2002-08-13 |
| 6405813 | Rock drill for drilling bores in reinforced concrete | Werner Kleine | 2002-06-18 |
| 6405723 | Suction tool | Werner Kleine | 2002-06-18 |
| 6220046 | Equipment for working a hard material | Ferdinand Kristen, Josef Schitti, Erwin Reisinger | 2001-04-24 |
| 6189633 | Drill | Werner Kleine | 2001-02-20 |