Stefan Kollen

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Frechen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and device for feeding dispersible solid fuels into the cal...
- Patent number 6,875,267
- Issue date Apr 5, 2005
- KHD Humboldt Wedag AG
- Claus-Jürgen Steffler
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Multi-train installation for the production of cement clinker from...
- Patent number 6,666,680
- Issue date Dec 23, 2003
- KHD Humboldt Wedag, AG
- Carsten Eckert
- F27 - FURNACES KILNS OVENS RETORTS

Patents Applicationslast 30 patents

Information Patent Application
Process and device for feeding dispersible solid fuels into the cal...
- Publication number 20030089282
- Publication date May 15, 2003
- Claus-Jurgen Steffler
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Multi-train installation for the production of cement clinker from...
- Publication number 20030079371
- Publication date May 1, 2003
- Carsten Eckert
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES