Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4514099 | Hydrodynamic bearing assembly | Erich John | 1985-04-30 |
| 4369668 | Axial thrust compensation system | Erich John | 1983-01-25 |
| 4297917 | Power distribution gearing for double helix extruders | Erwin Bauer, Ralf Davids, Gerhard Gotz, Hilmar Jussen, Heinrich Arndt +2 more | 1981-11-03 |