Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8685200 | Process for manufacturing a catalyst-coated ionomer membrane with protective film layer | Ralf Zuber, Sandra Wittpahl, Alexander Kabza, Markus Maier | 2014-04-01 |
| 8394551 | Membrane electrode assembly for use in electrochemical devices | Ralf Zuber, Sandra Wittpahl, Holger Dziallas, Peter Seipel, Günther Vulpius +1 more | 2013-03-12 |
| 8343321 | Membrane electrode unit for the electrolysis of water | Ralf Zuber, Sandra Wittpahl, Holger Dziallas, Peter Seipel, Pia Braun +1 more | 2013-01-01 |
| 8021796 | Catalyst-coated ionomer membrane with protective film layer and membrane-electrode-assembly made thereof | Ralf Zuber, Sandra Wittpahl, Alexander Kabza, Markus Maier | 2011-09-20 |
| 7993499 | Membrane electrode unit for the electrolysis of water | Ralf Zuber, Sandra Wittpahl, Holger Dziallas, Peter Seipel, Pia Braun +1 more | 2011-08-09 |
| 7147959 | Process for the manufacture of membrane-electrode-assemblies using catalyst-coated membranes | Joachim Köhler, Knut Fehl, Anita Krämer, Sandra Wittpahl | 2006-12-12 |