Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5980215 | Adjustable hydrostatic pump with additional pressure change control unit | Volkmar Leutner, Dieter Bertsch, Michael Gaumnitz | 1999-11-09 |
| 5879136 | Electrohydraulic adjustable pump | Berthold Pfuhl, Volkmar Leutner, Dieter Bertsch, Joachim Zumbraegel | 1999-03-09 |
| 5173031 | Delivery flow and pressure controlling device for a hydrostatic pump | Gerhard Nonnenmacher, Egon Tittmann, Heinz Walter, Dieter Bertsch | 1992-12-22 |
| 4185540 | Positive-displacement machine | Gerhard Nonnenmacher, Karl Veil, Roland Steimann | 1980-01-29 |