Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7935446 | Method for operating a fuel cell system and fuel cell system | Detlev Coerlin, Walter Stuhler, Ottmar Voitlein | 2011-05-03 |
| 7553566 | Fuel cell module | Josef Lersch, Arno Mattejat, Karl Strasser | 2009-06-30 |
| 7482073 | Cascade fuel cell system | Detlev Coerlin, Herbert Stenger | 2009-01-27 |
| 7348085 | Fuel cell installation | Josef Lersch, Arno Mattejat, Karl Strasser | 2008-03-25 |
| 6841277 | Method for operating a fuel cell plant and fuel cell plant | Christian Merkel | 2005-01-11 |
| RE38156 | Process for operating a PEM fuel cell installation | Karl Strasser, Regina Hornung | 2003-06-24 |
| 6156447 | Method for identifying a gas leak, and fuel cell system | Josef Lersch | 2000-12-05 |
| 6068942 | Process for operating a PEM fuel cell installation | Karl Strasser, Regina Hornung | 2000-05-30 |
| 5397655 | Fuel cell block and method for adjusting the removal of inert gas from the fuel cell block | Josef Lersch, Arno Mattejat, Karl Strasser | 1995-03-14 |
| 5142547 | Device for pre-ionization in discharge-pumped gas lasers, in particular for X-ray pre-ionization | Hans-Jurgen Cirkel | 1992-08-25 |
| 5138627 | Preionizationd device, in particular for x-ray preionization in discharge-pumped gas lasers, in particular excimer lasers | Dirk Friede | 1992-08-11 |
| 5138622 | Apparatus and method for generating high-power, high-voltage pulses, particularly for TE gas lasers | Dirk Friede | 1992-08-11 |
| 5050178 | Multichannel pseudo-spark switch and excitation circuit for gas lasers having the switch | Volker Bruckner, Dirk Friede, Hans-Jurgen Cirkel | 1991-09-17 |
| 4887275 | High-energy laser system | Hans-Jurgen Cirkel, Reinhard Muller | 1989-12-12 |
| 4763093 | High-power pulse transformer for short high-voltage and/or high-current pulses | Hans-Jurgen Cirkel | 1988-08-09 |
| 4700354 | High-energy TE laser system | Hans-Jurgen Cirkel | 1987-10-13 |
| 4635267 | Excitation system for generating a fast pulsed high-voltage discharge, particularly for exciting a high-power laser | Hans-Jurgen Cirkel | 1987-01-06 |
| 4573160 | Excitation circuit for a TE high-energy laser system | Hans-Jurgen Cirkel, Reinhard Muller | 1986-02-25 |
| 4556981 | Laser of the TE type, especially a high-energy laser | Hans-Jurgen Cirkel, Reinhard Muller | 1985-12-03 |
| 4521889 | Microstrip capacitor for energy storage, preferably for high-energy lasers | Hans-Jurgen Cirkel, Reinhard Muller | 1985-06-04 |
| 4503542 | High-energy laser of the TE-type | Hans-J/u/ rgen Cirkel, Reinhard M/u/ ller | 1985-03-05 |
| 4365337 | Excitation system for a fast pulsed discharge | Hans-Jurgen Cirkel | 1982-12-21 |