Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12264729 | Lockable differential transmission | — | 2025-04-01 |
| 9074641 | Axial setting device with linear driving mechanism | Mark Schmidt, Andreas Baer | 2015-07-07 |
| 7850567 | Differential carrier with an inner plate package | Fred Kramer | 2010-12-14 |
| 7846056 | Drive assembly with intermediate shaft and coupling unit | Christian Gasch, Theodor Gassmann, Artur Grunwald | 2010-12-07 |
| 7648011 | Compact drive assembly with multi-plate coupling | Georg Kwoka, Bernd Bender | 2010-01-19 |
| 7585246 | Differential carrier with an increased strength | — | 2009-09-08 |
| 7563190 | Differential cross member for a differential drive | Horst Görlich | 2009-07-21 |
| 6886679 | Axial setting device with spring-supported return | Alexey Katsnelson, Andreas Kelbel, Kurt Muller | 2005-05-03 |
| 6874605 | Controllable viscous coupling | Georg Kwoka | 2005-04-05 |
| 6484859 | Shaft coupling with a dampening device | — | 2002-11-26 |
| 6296096 | Shaft coupling with a dampening device | — | 2001-10-02 |
| 6161667 | Device using viscous shear to control a friction coupling which limits the transferable torque | — | 2000-12-19 |
| 6080076 | Mechanical locking differential | Georg Kwoka | 2000-06-27 |
| 6068099 | Device using viscous shear to control a friction coupling which limits torque transferable therethrough | — | 2000-05-30 |
| 5979624 | Device using viscous shear to control a coupling which limits torque transferable therethrough | — | 1999-11-09 |
| 5976051 | Differential drive with inner supporting means for the differential gears | Heinz Madsack | 1999-11-02 |
| 5637050 | Differential drive with locking effect | — | 1997-06-10 |
| 5507703 | Differential drive | Heinz Madsack | 1996-04-16 |
| 5273147 | Self-locking freewheeling unit operated by centrifugal forces | Wolfgang Beigang | 1993-12-28 |
| 5234072 | Drive assembly for a four wheel drive vehicle | — | 1993-08-10 |
| 5122102 | Differential drive | Wolfgang Hildebrandt | 1992-06-16 |