Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8220255 | Drive having an energy recovery function having a brake pressure control valve | Matthias Mueller | 2012-07-17 |
| 6370874 | Hydraulic control device for a mobile machine, especially for a wheel loader | Dieter Roth | 2002-04-16 |
| 6351944 | Hydraulic control mechanism for a mobile machine tool, especially a wheel loader, for damping longitudinal oscillations | Gunter Fertig | 2002-03-05 |
| 6260355 | Hydraulic control system for a mobile work machine, especially a wheel loader | Dieter Roth | 2001-07-17 |
| 6068021 | Directional control valve | — | 2000-05-30 |
| 5868160 | Two-way insert valve | Karl Cords, Hubert Feser, Karlheinz Hunschede, Gotz-Dieter Machat | 1999-02-09 |
| 5832807 | Hydraulic control for a dividing machine tool | Heinrich Wilkens, Klaus Biermann, Georg Zöller | 1998-11-10 |
| 5245826 | Vibration suppression apparatus for hydraulic system with improved accumulator filing circuit | Dieter Roth | 1993-09-21 |
| 5135020 | Pressure sequence valve | — | 1992-08-04 |
| 5081902 | Apparatus for providing relief to a working chamber | — | 1992-01-21 |
| 4896694 | Pressure-limiting valve | — | 1990-01-30 |
| 4682756 | Hydraulically operated self-closing two-way seat-type valve | Manfred Hartwig | 1987-07-28 |
| 4485842 | Balanced pressure valve | — | 1984-12-04 |