Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464590 | Hydraulic aggregate with at least one displacement machine | Volkmar Leutner | 2002-10-15 |
| 5980215 | Adjustable hydrostatic pump with additional pressure change control unit | Walter Robeller, Volkmar Leutner, Michael Gaumnitz | 1999-11-09 |
| 5879136 | Electrohydraulic adjustable pump | Walter Robeller, Berthold Pfuhl, Volkmar Leutner, Joachim Zumbraegel | 1999-03-09 |
| 5173031 | Delivery flow and pressure controlling device for a hydrostatic pump | Gerhard Nonnenmacher, Egon Tittmann, Heinz Walter, Walter Robeller | 1992-12-22 |
| 4447218 | Method and apparatus for the automatic folding of floppy disc storage envelopes | Mark Finkle, James D. Fishman | 1984-05-08 |
| 4336006 | Gear positive displacement machine with gaps between bearing members and housing | Kurt Grabow, Willy Mahl, Karl-Heinz Muller, Heinrich Kochendorfer, Siegfried Mayer +2 more | 1982-06-22 |
| 4309158 | Gear positive displacement machine with U-shaped supporting element for sealing member | Kurt Grabow, Willy Mahl, Karl-Heinz Muller, Heinrich Kochendorfer, Siegfried Mayer +2 more | 1982-01-05 |