Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8512912 | Membrane-electrode unit for direct methanol fuel cells (DMFC) | Joachim Koehler, Sandra Wittpahl, Christian Eickes | 2013-08-20 |
| 8394551 | Membrane electrode assembly for use in electrochemical devices | Ralf Zuber, Sandra Wittpahl, Klaus Schaack, Peter Seipel, Günther Vulpius +1 more | 2013-03-12 |
| 8343321 | Membrane electrode unit for the electrolysis of water | Ralf Zuber, Klaus Schaack, Sandra Wittpahl, Peter Seipel, Pia Braun +1 more | 2013-01-01 |
| 7993499 | Membrane electrode unit for the electrolysis of water | Ralf Zuber, Klaus Schaack, Sandra Wittpahl, Peter Seipel, Pia Braun +1 more | 2011-08-09 |