SK

Stefan Köllen

KG Khd Humboldt Wedag Gmbh: 2 patents #21 of 76Top 30%
📍 Frechen, DE: #50 of 150 inventorsTop 35%
Overall (All Time): #2,178,810 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6875267 Process and device for feeding dispersible solid fuels into the calcinator of a cement clinker production line Claus-Jürgen Steffler, Wolfgang Muller 2005-04-05
6666680 Multi-train installation for the production of cement clinker from raw meal Carsten Eckert, Hubert Ramesohl, Matthias Mersmann 2003-12-23