Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931229 | Method and apparatus for protecting a screw extruder producing strand-shaped explosives and propellants | Heinz Krimmel, Rolf Schilling, Ulrich Weller | 1990-06-05 |
| 4335063 | Method and apparatus for pressure control in a press | Dieter Kolb, Eugen Kopp | 1982-06-15 |
| 4207047 | Method of generating pressure in a press and circuit for carrying out the method | Dieter Kolb, Eugen Kopp | 1980-06-10 |