Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9039198 | Projection apparatus having improved projection properties, and method and procedure, respectively, for projecting an image | Jan Oliver Drumm, Henning Rehn, Bakuri Lanchava, Robert Kraus | 2015-05-26 |
| 8662712 | LED lamp | Robert Kraus, Bakuri Lanchava | 2014-03-04 |
| 8591070 | Lighting device having a socket and bulb fitting | Philipp Erhard, Ulrich Henger, Roland Huettinger, Gerhard Mitic | 2013-11-26 |
| 8558437 | Lamp | Robert Kraus, Thomas Noll, Ulrich Henger | 2013-10-15 |
| 8427062 | Illumination device and method for adapting an emission characteristic of an illumination device | Ralph Bertram | 2013-04-23 |
| 8322890 | Light module | Robert Kraus | 2012-12-04 |
| 8217277 | Mounting panel arrangement | Robert Kraus, Harald Stoyan | 2012-07-10 |
| 8066414 | LED lamp | Steffen Straub | 2011-11-29 |
| 7800119 | Semiconductor lamp | Xiyuan He, Rui Ma, Giovanni Scilla | 2010-09-21 |
| 7755265 | Lamp base assembly with electronic ballast for energy-saving lamp | Lai Qian Cen, Chao Du | 2010-07-13 |
| 5365151 | Gas discharge lamp ballast circuit with frequency modulated pulse control | Norbert Spiegel | 1994-11-15 |
| 5075587 | High-pressure metal vapor discharge lamp, and method of its manufacture | Stefan Juengst, Dieter Brunner | 1991-12-24 |
| 4906895 | High-pressure discharge lamp with stabilized arc | Manfred Rehmet | 1990-03-06 |
| 4686419 | Compact high-pressure discharge lamp with a fill including cadmium and lithium halide | Werner Block, Manfred Pilsak | 1987-08-11 |