Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7056610 | Alkaline direct methanol fuel cell | — | 2006-06-06 |
| 6846510 | Method for deposition of a catalyst | Rolf Hempelmann, Heinz Schmitz, March-Simon Löffler, Harald Natter | 2005-01-25 |
| 6833167 | Methanol fuel cell comprising a membrane which conducts metal cations | — | 2004-12-21 |
| 6277261 | Method of producing electrolyte units by electrolytic deposition of a catalyst | Hans-Friedrich Oetjen, Volkmar Schmidt | 2001-08-21 |
| 6068943 | Fuel cell apparatus and method of increasing the power density of fuel cells using carbon-containing fuels | Hans-Friedrich Oetjen, Volkmar Schmidt | 2000-05-30 |
| 5998056 | Anode substrate for a high temperature fuel cell | Lambertus G. J. De Haart, Ernst Riensche, Ulrich Stimming | 1999-12-07 |
| 4857153 | Process for the production of porous electrodes | Heinz Schmitz | 1989-08-15 |
| 4773982 | Electrolyzer with sandwich arrangement of diaphragm and electrodes and method of producing the sandwich arrangement | Peter Malinowski | 1988-09-27 |
| 4645607 | Process for reduction or oxidation of materials in water solution by passing a gas through a catalyst immersed in solution in the presence of electrically conducting bodies | Leander Furst, Bertel Kastening, Harald Luft | 1987-02-24 |
| 4636291 | Diaphragm for alkaline electrolysis and process for manufacture of diaphragm | Peter Malinowski | 1987-01-13 |
| 4584065 | Activated electrodes | Heinz Schmitz, Heinz Wullenweber | 1986-04-22 |
| 4559124 | Nickel oxide based diaphragm | Peter Malinowski | 1985-12-17 |
| 4532023 | Electrochemical gas analyzer for determination of sulphur dioxide content of gases | Leander Furst | 1985-07-30 |
| 4445994 | Electrolyzer for alkaline water electrolysis | Heinz Schmitz | 1984-05-01 |
| 4394244 | Diaphragms for alkaline water electrolysis and method for production of the same as well as utilization thereof | Jurgen Mergel | 1983-07-19 |
| 4356231 | Porous oxide diaphragm for alkaline electrolyses, and manufacture thereof | Heinrich Schmitz, Renke Hesse | 1982-10-26 |
| 4338167 | Method for increasing electrolytic efficiency of a fusion electrolysis with anodic oxygen generation | Jurgen Mergel, Frans G. Bodewig | 1982-07-06 |
| 4304643 | Process for the electrolysis of sulfur dioxide solutions | Heinrich Schmitz, Bernd D. Struck | 1981-12-08 |
| 4300993 | Method of making a porous nickel electrode for alkaline electrolysis processes and resulting product | Jurgen Mergel | 1981-11-17 |
| 4256549 | Hybrid process for producing hydrogen | Jurgen Mergel | 1981-03-17 |
| 4225401 | Method for generating hydrogen and oxygen | Jurgen Mergel | 1980-09-30 |