Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10960923 | Hydraulic steering facility with load signal | Erhard Bergmann, Hartmut Vossberg | 2021-03-30 |
| 5970708 | Hydraulic steering assembly with change in transmission ratio and flow amplification | Erhard Bergmann, Gerhard Voss | 1999-10-26 |
| 5887429 | Hydraulic steering system with load signal | Erhard Bergmann, Gerhard Voss | 1999-03-30 |
| 5850888 | Variable-ratio hydraulic steering system | Erhard Bergmann, Gerhard Voss | 1998-12-22 |
| 5771692 | Hydraulic steering unit with load signal | Erhard Bergmann, Gerhard Voss | 1998-06-30 |