| 6696186 |
Humidifying device for a fuel cell, method for humidifying a fuel cell membrane and fuel cell |
Wolfgang Herdeg, Martin Sattler, Sabine Hess, Hans-Dieter Wilhelm, Jürgen Habrich +3 more |
2004-02-24 |
| 6610433 |
Fuel tank |
Wolfgang Herdeg, Martin Sattler, Hans-Dieter Wilhelm, Jürgen Habrich, Karl Eck +2 more |
2003-08-26 |
| 6541143 |
Fuel cell system with a device for supplying fuel |
Wolfgang Herdeg, Martin Sattler, Franz Reichenbach, Sabine Hess, Hans-Dieter Wilhelm +3 more |
2003-04-01 |
| 6463965 |
Arrangement for storing fuel and method for operating a fuel tank |
Christian Rasche, Bernd Wiemann, Hans-Dieter Wilhelm, Karl Eck, Thomas Zapp +1 more |
2002-10-15 |
| 6432176 |
Device for storing compressed gas |
Walter Schütz |
2002-08-13 |
| 6403243 |
Fuel cell system and method of regenerating a filter element in a fuel cell system |
Wolfgang Herdeg, Martin Sattler, Franz Reichenbach, Hans-Dieter Wilhelm, Jürgen Habrich +3 more |
2002-06-11 |
| 6309449 |
Gas accumulator |
Ulrich Schmitz, Walter Schütz |
2001-10-30 |