FC

Friedrich-Wilhelm Cyris

DG Deutsche Montan Technologie Gmbh: 1 patents #1 of 4Top 25%
📍 Duisburg, DE: #9 of 37 inventorsTop 25%
Overall (2005): #203,020 of 245,428Top 85%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6918999 Device and method for sealing levelling door aperture of a coke oven chamber Hans-Josef Giertz, Friedrich Huhn, Franz Liesewitz 2005-07-19