Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8361674 | Multi-layer membrane-electrode-assembly (ML-MEA) and method for its manufacture | Ralf Zuber, Peter Seipel, Sven Bornbaum | 2013-01-29 |
| 7754369 | Ink for producing membrane electrode assemblies for fuel cells | Karl-Anton Starz, Ralf Zuber, Anita Krämer, Joachim Köhler, Sandra Wittpahl | 2010-07-13 |
| 7147959 | Process for the manufacture of membrane-electrode-assemblies using catalyst-coated membranes | Joachim Köhler, Anita Krämer, Sandra Wittpahl, Klaus Schaack | 2006-12-12 |
| 6893761 | Process for producing a membrane electrode assembly and the membrane electrode assembly produced thereby | Joachim Köhler, Anita Krämer, Karl-Anton Starz, Armin Bayer | 2005-05-17 |
| 6803143 | Gas diffusion structures and gas diffusion electrodes for polymer electrolyte fuel cells | Ralf Zuber, Armin Bayer, Volker Bänisch, Thomas Lehmann | 2004-10-12 |
| 6500217 | Process for applying electrode layers to a polymer electrolyte membrane strip for fuel cells | Karl-Anton Starz, Ralf Zuber, Wolfgang Gottenauer, Manfred Diehl | 2002-12-31 |
| 6309772 | Membrane-electrode unit for polymer electrolyte fuel cells and processes for their preparation | Ralf Zuber, Karl-Anton Starz, Udo Stenke | 2001-10-30 |
| 6156449 | Catalyst layer for polymer electrolyte fuel cells | Ralf Zuber, Ralf Karch, Karl-Anton Starz | 2000-12-05 |
| 5882549 | Pastes for fired-on layers | Ralf Zuber, Willi Peter, Elisabeth Kasper | 1999-03-16 |