Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8057713 | Method for the production of nickel oxide surfaces having increase conductivity | Karl-Heinz Dulle, Peter Woltering, Randolf Kiefer, Frank Holthuis, Frank Funck +3 more | 2011-11-15 |
| 7938938 | Electrolysis cell | Karl-Heinz Dulle, Frank Funck, Randolf Kiefer, Peter Woltering | 2011-05-10 |
| 7901548 | Electrolysis cell with enlarged active membrane surface | Karl-Heinz Dulle, Randolf Kiefer, Peter Woltering | 2011-03-08 |