Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12343901 | Electric drive for a mixer drum | Udo Brehmer, Raphael Zohner | 2025-07-01 |
| 12325152 | Drive train for a mixer drum and control device for such a drive train | Udo Gillich, Marcel Liesel, David Wörzler, Raphael Zohner | 2025-06-10 |
| 11458650 | Mixing drum drive | — | 2022-10-04 |
| 8225707 | Hydraulic radial piston engine | — | 2012-07-24 |
| 7878699 | Drive for mixing drum with elastic element arranged between bearing incorporating drive system and base | Klaus Schiffner, Andreas Geier, Michael M. Frondorf | 2011-02-01 |
| 7845843 | Compensation device for compensating the angular discrepancy of a mixing drum | — | 2010-12-07 |
| 7832919 | Gear train for driving a mixer drum mounted on a vehicle | — | 2010-11-16 |
| 7331701 | Gearbox for concrete mixer | Andreas Geier, Klaus Schiffner, Michael M. Frondorf | 2008-02-19 |
| 6505529 | Reversing gear-box which can be shifted when under load | Jurgen Legner | 2003-01-14 |
| 6432016 | Driving device | — | 2002-08-13 |
| 5918509 | Powershift reversing transmission | Jurgen Legner, Egon Mann, Helmut Eymuller | 1999-07-06 |
| 5839984 | Failsafe brake system for a motor vehicle, in particular for a hydrostatic construction machine | Egon Mann, Helmut Eymuller, Jurgen Legner | 1998-11-24 |
| 5810691 | Hydraulic changing device for a multi-ratio vehicle transmission | Wolfgang Gebhard | 1998-09-22 |
| 5779586 | Driving device | Wolfgang Gebhard | 1998-07-14 |