Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666680 | Multi-train installation for the production of cement clinker from raw meal | Stefan Köllen, Hubert Ramesohl, Matthias Mersmann | 2003-12-23 |
| 6626662 | System for manufacturing cement clinker | Hubert Ramesohl | 2003-09-30 |