Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6148856 | Control valve | — | 2000-11-21 |
| 5931078 | Hydrostatic drive system | — | 1999-08-03 |
| 5562019 | Hydrostatic drive system | — | 1996-10-08 |
| 5460000 | Hydrostatic drive system | — | 1995-10-24 |
| 5237908 | Control system for the load-independent distribution of a pressure medium | — | 1993-08-24 |
| 5211014 | Hydraulic drive system | — | 1993-05-18 |
| 4742676 | Reversible hydrostatic transmission pump with drive engine speed control | Wolfgang Grone | 1988-05-10 |
| 4738102 | Hydrostatic drives | — | 1988-04-19 |
| 4738279 | Multiway valves with load feedback | — | 1988-04-19 |
| 4733533 | Controls for power drive assemblies | Horst Deininger | 1988-03-29 |
| 4719753 | Slide valve for load sensing control in a hydraulic system | — | 1988-01-19 |
| 4635440 | Dual consumer hydraulic mechanisms | — | 1987-01-13 |
| 4617798 | Hydrostatic drive systems | Alfred Krusche | 1986-10-21 |
| 4617854 | Multiple consumer hydraulic mechanisms | — | 1986-10-21 |
| 4413650 | Hydraulic spool valves with controlled by-pass | — | 1983-11-08 |
| 4388946 | Valves | Rudolf Richter | 1983-06-21 |