Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7331775 | Pumping device | Franz Arbogast | 2008-02-19 |
| 6273695 | Sickleless internal gear wheel pump with sealing elements inserted into the tooth tips | Franz Arbogast | 2001-08-14 |
| 6164943 | Internal geared wheel pump without crescent-shaped [sickle] piece | Franz Arbogast | 2000-12-26 |
| 6095782 | Crescentless internal gear pump | Franz Arbogast | 2000-08-01 |
| 6093006 | Non-crescent seal internal gear pump with sealing elements inserted in the tooth tips | Franz Arbocast | 2000-07-25 |
| 5582514 | Sickleless internal gear pump | Franz Arbogast | 1996-12-10 |
| 5540573 | Sickleless internal gear pump having sealing elements in tooth heads | Franz Arbogast | 1996-07-30 |
| 5499910 | Internal gear pump having a stop for a sickle-shaped filler part | Gerd Hundt, Franz Arbogast | 1996-03-19 |
| 5451150 | Sickleless internal gear pump with cross-sectionally mushroom-shaped sealing elements inserted in the tooth head | Franz Arbogast | 1995-09-19 |
| 5399079 | Sickleless internal gear pump with sealing elements inserted in the tooth heads | Franz Arbogast | 1995-03-21 |
| 5354188 | Sickleless internal gear pump with radially movable sealing elements for radial compensation | Franz Arbogast | 1994-10-11 |
| 5299923 | Internal gear pump | Franz Arbogast | 1994-04-05 |
| 5135371 | Internal gear pump with radial openings | Franz Arbogast | 1992-08-04 |
| 5081907 | Hydrostatic displacement engine | Gunther Nagel, Franz Arbogast | 1992-01-21 |