Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10269551 | High-pressure discharge lamp having an ignition aid | Johannes Buttstaedt, Uwe Fidler, Georg Rosenbauer | 2019-04-23 |
| 9053921 | High-pressure discharge lamp having an ignition aid | Johannes Buttstaedt, Uwe Fidler, Georg Rosenbauer | 2015-06-09 |
| 8896204 | High-pressure discharge lamp with a starting aid | Simon Lankes | 2014-11-25 |
| 8664855 | High-pressure discharge lamp having a capacitive ignition aid | Johannes Buttstaedt, Stefan Dünkel, Leon Grabinski, Janbernd Hentschel, Bernd Koch +1 more | 2014-03-04 |
| 8618734 | High-pressure discharge lamp with ignition aid | Johannes Buttstaedt | 2013-12-31 |
| 8450939 | Method for igniting and starting high-pressure discharge lamps | Bernd Koch | 2013-05-28 |