Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9779854 | Method for producing a semifinished product for electrical contacts and contact piece | Andreas Schmidt, Werner Roth, Alexander Schade | 2017-10-03 |
| 8394551 | Membrane electrode assembly for use in electrochemical devices | Ralf Zuber, Sandra Wittpahl, Klaus Schaack, Holger Dziallas, Günther Vulpius +1 more | 2013-03-12 |
| 8361674 | Multi-layer membrane-electrode-assembly (ML-MEA) and method for its manufacture | Ralf Zuber, Knut Fehl, Sven Bornbaum | 2013-01-29 |
| 8343321 | Membrane electrode unit for the electrolysis of water | Ralf Zuber, Klaus Schaack, Sandra Wittpahl, Holger Dziallas, Pia Braun +1 more | 2013-01-01 |
| 7993499 | Membrane electrode unit for the electrolysis of water | Ralf Zuber, Klaus Schaack, Sandra Wittpahl, Holger Dziallas, Pia Braun +1 more | 2011-08-09 |
| 7285307 | Process for producing catalyst-coated membranes and membrane-electrode assemblies for fuel cells | Claus-Rupert Hohenthanner, Franz Greinemann | 2007-10-23 |