Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7581689 | Device for processing excavated material | — | 2009-09-01 |
| 7284345 | Milling device for floors, rock, excavated material or other material | — | 2007-10-23 |
| 7182204 | Treatment method and device, in particular for excavation material | — | 2007-02-27 |
| 6626499 | Device for breaking up the outer layers of the ground | Karl-Otto Heber | 2003-09-30 |
| 6550312 | Method for determining the air/fuel ratio in an internal combustion engine combustion chamber | Peter Hohner, Hartung Wilstermann | 2003-04-22 |
| 6318115 | Refrigeration circuit and apparatus | Jörg Kirchner, Monika Knabe, Jurgen Voigt | 2001-11-20 |
| 6213092 | Method for determining the running smoothness of an otto spark ignition engine | Peter Hohner, Hartung Wilstermann | 2001-04-10 |
| 6188954 | Internal combustion engine with electronic components controlled from a central unit | Gerhard Hettich | 2001-02-13 |
| 6164253 | Actuators operating device for electromagnetic valve actuation in internal combustion engines | Gunther Alberter, Hermann Baumel, Gunther Breu, Werner Flierl, Matthias Gramann +5 more | 2000-12-26 |
| 6125691 | Method for determining an operating parameter of an internal combustion engine | Peter Hohner, Hartung Wilstermann | 2000-10-03 |
| 6014860 | Air supply arrangement for an internal combustion engine | Udo Weist, Lothar Welter, Hans-Christoph Wolf | 2000-01-18 |
| 4987873 | Method for the dynamic correction of the ignition point of an internal combustion engine | — | 1991-01-29 |
| 4521769 | Device for detecting the failure of a sensor | Ingo Dudeck | 1985-06-04 |
| 4399236 | Process for separating polyurethane hydrolyzates into polyether and diamine | Georg Niederdellmann, Norbert Roemer, Hartmut Hetzel, Ernst Grigat | 1983-08-16 |