Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5360321 | Feeding reservoir for two-cylinders thick-matter pumps | Helmut Hurr | 1994-11-01 |
| 5344290 | Method and device for controlling a double-cylinder thick matter pump | — | 1994-09-06 |
| 5340291 | Flow restraining device for a thick matter conveying apparatus | Helmut Hurr | 1994-08-23 |
| 5302094 | Tube switch for a double-cylinder sludge pump | Karl Schlecht | 1994-04-12 |