Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8808427 | Process and apparatus for the treatment of a carbon dioxide-containing gas stream form a large-scale combustion plant | Werner Leitmayr, Torsten Stoffregen, Roland Ritter | 2014-08-19 |
| 8557025 | Generating oxygen in hospitals | Matthias Grahl, Philippe Sage, Alfred Bolkart | 2013-10-15 |
| 7785550 | Process and device for separating hydrogen from gas flows by a pressure swing adsorption process | Karl Hofmann, Ulrike Wenning, Hans-Joerg ZANDER, Werner Leitmayr | 2010-08-31 |
| 5051115 | Pressure swing adsorption process | Johann Leis | 1991-09-24 |
| 4722742 | Pressure swing adsorption | — | 1988-02-02 |
| 4640694 | Adsorption process | Johann Leis, Dietmar Winkler | 1987-02-03 |
| 4323370 | Adsorption process producing varying amounts of product gas of a constant purity | — | 1982-04-06 |
| 4299595 | Method of operating a cyclical pressure-swing adsorption installation | Christian Benkmann, Stefan Asztalos | 1981-11-10 |
| 4256469 | Repressurization technique for pressure swing adsorption | — | 1981-03-17 |