Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6875267 | Process and device for feeding dispersible solid fuels into the calcinator of a cement clinker production line | Wolfgang Muller, Stefan Köllen | 2005-04-05 |
| 6444026 | Process for the production of cement clinker in the rotary kiln intake chamber | Hans-Wilhelm Meyer | 2002-09-03 |