Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6884530 | Method of improving the performance of a direct feed fuel cell | Kevin Colbow, Monica Manmohan Kaila, Jiujun Zhang, Gustav Boehm | 2005-04-26 |
| 6777116 | Direct dimethyl ether fuel cells | Peter Urban, Regina Wezel, Kevin Colbow, Jiujun Zhang | 2004-08-17 |
| 6759153 | Liquid fuel cell system | Arnold Lamm, Norbert Wiesheu | 2004-07-06 |
| 6657323 | Electronic proximity switch | — | 2003-12-02 |
| 6527943 | Fuel cell concentration sensor | Jiujun Zhang, Kevin Colbow, David P. Wilkinson | 2003-03-04 |
| 6472090 | Method and apparatus for operating an electrochemical fuel cell with periodic reactant starvation | Kevin Colbow, Marian van der Geest, Cindy J. Longley, Joy Roberts, Jean St-Pierre +4 more | 2002-10-29 |
| 6147321 | Configuration for the automatic inscription or reinscription of wafers | Eckhard Marx, Detlef Gerhard | 2000-11-14 |
| 6129212 | Flotation process and mixing device | — | 2000-10-10 |
| 5924755 | Adjusting device in a motor vehicle | — | 1999-07-20 |
| 4719362 | Electronic proximity switch dependent upon a magnetic field | Andreas Nest | 1988-01-12 |
| 4513048 | Webbed multiple sheets | Peter Kaube, Karl-Heinz Schanz, Heinz Vetter | 1985-04-23 |