Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10349477 | LED double-capped lamp, for operation on an electronic ballast for a low-pressure discharge lamp, especially a fluorescent lamp, and method for operating such a lamp | Arwed Storm, Xusheng Yang, Peter Hummel | 2019-07-09 |
| 10194504 | Lighting system | — | 2019-01-29 |
| 8796941 | Method and circuit arrangement for operating at least one discharge lamp | Peter Krummel | 2014-08-05 |
| 8067899 | Circuit arrangement and method for operating at least one first and a second lamp | Werner Longhino, Thomas Mudra, Markus Ziegler | 2011-11-29 |
| 7291982 | Method and apparatus for the closed loop and open loop control of filament heating for lamps | Werner Longhino, Thomas Mudra | 2007-11-06 |
| 7245086 | Lamp operating circuit and operating method for a lamp having active current measurement | — | 2007-07-17 |