Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12195862 | Use of a textile, zero-gap electrolytic cell and production method therefor | Sebastian AUSTENFELD, Michael J. Wagner, Peter TOROS | 2025-01-14 |
| 11608561 | Electrolysis device | Dmitri Donst, Philipp Hofmann, Dirk Hoormann, Gregor Polcyn, Alessandro FIORUCCI +2 more | 2023-03-21 |
| 11162178 | Electrode for electrolysis cells | Karl-Heinz Dulle, Frank Funck, Dirk Hoormann, Stefan Oelmann, Carsten Schmitt +1 more | 2021-11-02 |
| 11136677 | Method for mounting oxygen-consuming electrodes in electrochemical cells and electrochemical cells | Andreas Bulan, Michael Großholz, Randolf Kiefer | 2021-10-05 |
| 10227701 | Insulating frame with corner expansion joints for electrolysis cells | Dirk Hoormann, Dmitri Donst, Frank Funck, Philipp Hofmann, Gregor Polcyn +1 more | 2019-03-12 |
| 10030300 | Substrate coating on one or more sides | Karl-Heinz Dulle, Frank Funck, Dirk Hoormann, Stefan Oelmann, Carsten Schmitt +2 more | 2018-07-24 |
| 9797051 | Method of retrofitting of finite-gap electrolytic cells | Fulvio Federico, Dmitri Donst, Dirk Hoormann, Philipp Hoffmann, Michele Perego +2 more | 2017-10-24 |
| 9783899 | Apparatus and method for operating an electrolysis with an oxygen depolarized cathode | Gregor Polcyn, Philip Hofmann, Stephan Köberle, Dirk Hoormann, Dmitri Donst +5 more | 2017-10-10 |
| 9680172 | Flow-type electrochemical cell | Gregor Polcyn, Niels Bredemeyer, Christoph Roosen, Dmitri Donst, Peter TOROS +6 more | 2017-06-13 |
| 9562294 | Alternative installation of a gas diffusion electrode in an electrochemical cell having percolator technology | Randolf Kiefer, Rainer Weber, Andreas Bulan | 2017-02-07 |
| 9476131 | Electrochemical cell having a frame seal for alternative sealing against marginal leakages of the electrolyte | Randolf Kiefer, Rainer Weber, Andreas Bulan, Michael Grossholz | 2016-10-25 |
| 9243336 | Process for the manufacture of contact strips for electrolyzers | Steffen Köhler, Hans J. Kunz, Karl-Heinz Dulle, Heinz Sibum | 2016-01-26 |
| 9045837 | Electrolyser with coiled inlet hose | Randolf Kiefer, Rainer Weber, Andreas Bulan | 2015-06-02 |
| 8945358 | Electrolysis cell | Karl-Heinz Dulle, Randolf Kiefer, Stefan Oelmann, Ulf-Steffen Bäumer | 2015-02-03 |
| 8444833 | Device for electrochemical water preparation | Randolf Kiefer, Karl-Heinz Dulle, Stefan Oelmann, Ulf-Steffen Baeumer, Wolfram Stolp | 2013-05-21 |
| 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 |
| 7785453 | Electrode for electrolytic cell | Karl-Heinz Dulle, Roland Beckmann, Randolf Kiefer | 2010-08-31 |
| 7780822 | Electrolytic cell with segmented and monolithic electrode design | Roland Beckmann, Karl-Heinz Dulle, Frank Funck, Randolf Kiefer | 2010-08-24 |
| 7351317 | Electrolytic cell comprising an interior trough | Karl-Heinz Dulle, Frank Funck, Martin Wollny, Randolf Kiefer, Thomas Steinmetz +4 more | 2008-04-01 |
| 7226885 | Method for producing gas diffusion electrodes | Kosmas Janowitz, Torsten Dresel, Roland Beckmann, Thomas Steinmetz, Randolf Kiefer +3 more | 2007-06-05 |