Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8057713 | Method for the production of nickel oxide surfaces having increase conductivity | Roland Beckmann, Karl-Heinz Dulle, Randolf Kiefer, Frank Holthuis, Frank Funck +3 more | 2011-11-15 |
| 7938938 | Electrolysis cell | Roland Beckmann, Karl-Heinz Dulle, Frank Funck, Randolf Kiefer | 2011-05-10 |
| 7918974 | Micro-structured insulating frame for electrolysis cell | Ulf-Steffen Bäumer, Randolf Kiefer, Karl-Heinz Dulle, Stefan Oelmann, Wolfram Stolp | 2011-04-05 |
| 7901548 | Electrolysis cell with enlarged active membrane surface | Roland Beckmann, Karl-Heinz Dulle, Randolf Kiefer | 2011-03-08 |