Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8057713 | Method for the production of nickel oxide surfaces having increase conductivity | Roland Beckmann, Karl-Heinz Dulle, Peter Woltering, Randolf Kiefer, Frank Holthuis +3 more | 2011-11-15 |
| 7651602 | Electrolyzer | Joachim Helmke, Gabi Balan | 2010-01-26 |
| 7226885 | Method for producing gas diffusion electrodes | Kosmas Janowitz, Torsten Dresel, Peter Woltering, Roland Beckmann, Thomas Steinmetz +3 more | 2007-06-05 |
| 6428665 | Electrochemical gas sensor | Dejan Ilic, Konrad Holl, Joachim Helmke, August Winsel | 2002-08-06 |
| 6303018 | Method and apparatus for determining O2 and N2O in gas mixtures | Konrad Holl, Dejan Ilic, Michael Schmalz | 2001-10-16 |