Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10429038 | Transom light arrangement and method for producing a transom light arrangement | Ferdinand Walther, Robert J. Kraus, Dennis Sprenger | 2019-10-01 |
| 10066795 | Cuttable flexible light engines | Ming Li, Robert Harrison, Keng Chen | 2018-09-04 |
| 9772076 | Cuttable flexible light engines | Ming Li, Robert Harrison, Keng Chen | 2017-09-26 |
| 9398655 | Actuation of semiconductor light-emitting elements on the basis of the bypass state of adjacent semiconductor light-emitting elements | — | 2016-07-19 |
| 8193722 | Circuit arrangement having a transformation apparatus and operating method for a lamp using a circuit arrangement having a transformation apparatus | Harald Dellian, Oskar Schallmoser | 2012-06-05 |
| 7355351 | Circuit arrangement having a converter without a transformer but with an inductor for the pulsed operation of dielectric barrier discharge lamps | Karl Kyrberg, Oskar Schallmoser | 2008-04-08 |
| 7135822 | Transformer, lamp base having a transformer and high-pressure discharge lamp | Gerhard Behr, Matthias Burkhardt | 2006-11-14 |
| 7057356 | High intensity discharge lamp with boost circuit | Andrew Johnsen, Bernhard Ertl, Guy Bouchard | 2006-06-06 |
| 7025629 | Lamp base for a high-pressure discharge lamp and high-pressure discharge lamp | Gerhard Behr, Matthias Burkhardt, Peter Helbig | 2006-04-11 |
| 6914392 | Switching apparatus for operating discharge lamps | Thomas Hanisch, Igor Kartashev | 2005-07-05 |
| 6462476 | Lighting system with a high-pressure discharge lamp | Guenther Hirschmann, Bontcho Gotchev | 2002-10-08 |
| 6194844 | Circuit arrangement and method for operating at least one high-pressure discharge lamp | Guenther Hirschmann, Gerwin Thiel | 2001-02-27 |
| 6191538 | High-pressure discharge lamp having a base at one end and a starting device integrated in the base | Guenther Hirschmann | 2001-02-20 |