Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5253988 | Gear pump | Alfred K. Hunziker, Eduard Mischler, Stefan Kalt | 1993-10-19 |
| 4462770 | Gear pump with rotatable sections | — | 1984-07-31 |
| 4268232 | Intermeshing gear pump with sealing means comprising two concentric slide rings | — | 1981-05-19 |
| 4225296 | Gear pump with transmission gearwheel adjustment | — | 1980-09-30 |