Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346515 | Fluidized bed gas generator for allothermic gasification of coal | Helmut Kubiak, Gunther Gappa, Heinrich Kalwitzki, Klaus Knop | 1994-09-13 |
| 5275640 | Process for obtaining nitrogen from air or nitrogen-containing gases by pressure swing adsorption on carbon molecular sieves | Alfons Schulte-Schulze Berndt, Heinrich Heimbach, Ferdinand Tarnow | 1994-01-04 |