Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5360321 | Feeding reservoir for two-cylinders thick-matter pumps | Hartmut Benckert | 1994-11-01 |
| 5340291 | Flow restraining device for a thick matter conveying apparatus | Hartmut Benckert | 1994-08-23 |