RC

Rolf Chalupnik

RA Ruhrkohle Ag: 1 patents #23 of 88Top 30%
Overall (All Time): #3,987,998 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4715809 Fluidized bed having modified surfaces in the heat extractor Josef Langhoff, Hermann Krischke, Horst Geldmacher, Manfred Golomb, Karl-Heinz Kamp +1 more 1987-12-29