Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9157320 | Tool for removing a chisel | Thomas Lehnert, Martin Lenz, Günter Hähn | 2015-10-13 |
| RE45540 | Tool holder | Günter Tewes, Jochen Blens | 2015-06-02 |
| 8286316 | Tool for removing a chisel | Thomas Lehnert, Martin Lenz, Günter Hähn | 2012-10-16 |
| 8181322 | Tool for removing a chisel | Thomas Lehnert, Martin Lenz, Günter Hähn | 2012-05-22 |
| 8118369 | Milling drum for a construction machine, construction machine as well as gearbox unit for a milling drum | Stefan Abresch, Thomas Lehnert | 2012-02-21 |
| 7905682 | Road milling machine with optimized operation | Kay Heemann, Günter Hähn, Axel Mahlberg | 2011-03-15 |
| 7901011 | Milling drum for a construction machine, construction machine as well as gearbox unit for a milling drum | Stefan Abresch, Thomas Lehnert | 2011-03-08 |
| 7784875 | Chisel holder system | Dieter Simons | 2010-08-31 |
| 7597402 | Tool holder | Günter Tewes, Jochen Blens | 2009-10-06 |
| 7547075 | Fixing device for a shank chisel | Günter Tewes, Jochen Blens | 2009-06-16 |
| 7490912 | Round shaft chisel | — | 2009-02-17 |
| D585259 | Chisel holder | Thomas Lehnert, Günter Tewes, Günter Hähn | 2009-01-27 |
| 7461903 | Cutting tool | Günter Tewes | 2008-12-09 |
| 7422391 | Road milling machine with optimized operation | Kay Heemann, Günter Hähn, Axel Mahlberg | 2008-09-09 |
| D575610 | Chisel holder | Thomas Lehnert, Günter Tewes, Günter Hähn | 2008-08-26 |
| D574689 | Chisel holder | Thomas Lehnert, Günter Tewes, Günter Hähn | 2008-08-12 |
| 7401862 | Construction machine | Günter Hähn, Martin Lenz | 2008-07-22 |
| 7300115 | Chisel holder | Günter Tewes | 2007-11-27 |
| 7144192 | Self-propelled road milling machine | Herbert Ley, Guenter Haehn | 2006-12-05 |
| 7086704 | Fixing device for a shank chisel | Günter Tewes | 2006-08-08 |
| 6923508 | Stripping means for milling rolls of a construction machine as well as a construction machine and a method | Herbert Ley, Guenther Haehn | 2005-08-02 |
| 6877818 | Construction machine and milling roller | Olaf Gaertner, Guenter Haehn | 2005-04-12 |
| 6866343 | Chisel holder changing system with chisel holder receivers | Günter Hähn | 2005-03-15 |
| 6619756 | Chisel holder changing system | Dieter Simons, Günter Hähn | 2003-09-16 |
| 5683144 | Cutting element with a base element and chisel holder | Karl Kammerer, Bernhard Diessner, Dieter Simons | 1997-11-04 |