Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805148 | Relief-valve jet | Pascal Progin, Erich Eckhardt | 2004-10-19 |
| 6736048 | Hydrostatic axial piston machine | Josef Riedhammer, Erich Eckhardt | 2004-05-18 |
| 4548231 | Pilot-operated pressure-limiting valve with a feeding function | — | 1985-10-22 |