Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4715809 | Fluidized bed having modified surfaces in the heat extractor | Josef Langhoff, Hermann Krischke, Horst Geldmacher, Karl-Heinz Kamp, Peter Masuch +1 more | 1987-12-29 |