Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9666425 | Gas discharge lamp | Norbert Lesch, Klaus Schoeller | 2017-05-30 |
| 8602616 | Lamp for a headlight of a motor vehicle | Bernd Schoenfelder, Klaus Schoeller, Kirsten G. Baeumges, Manfred Ruske, Konrad Sell | 2013-12-10 |
| 8598789 | Discharge lamp with improved discharge vessel | Michael Haacke, Ralf Muckel, Wilfried Emunds | 2013-12-03 |
| 8415868 | High-pressure discharge lamp and a method of manufacturing a high-pressure discharge lamp | Markus Gerhard, Herbert Schartmann, Ralf Muckel, Wilfried Emunds | 2013-04-09 |
| 7884549 | Gas-discharge lamp | Klaus Scholler, Godfried Maria Manders, Bram Visser | 2011-02-08 |
| 7354186 | Lamps with variable lower base | Tilo Stoeckert | 2008-04-08 |
| 6674239 | Gas discharge lamp | Heinz Hüdepohl, Johannes Martinus De Regt | 2004-01-06 |
| 6471385 | Lamp | Wilfried Emunds | 2002-10-29 |
| 5742114 | Lamp envelope with a metal clamping member and a fixation member | Hans J. Kohl, Ralf Schafer, Cornelis Johannes Janson | 1998-04-21 |
| 5736811 | Capped high-pressure discharge lamp | Ralf Schafer, Leonardus U. E. Konings | 1998-04-07 |
| 5677589 | Capped high-pressure discharge lamp | — | 1997-10-14 |
| 5654608 | Capped electric lamp | Hans J. Kohl, Ralf Schafer | 1997-08-05 |
| 5412275 | Capped electric lamp with connection conductor butt welded to a lamp vessel current conductor | Bernardus H. M. A. Dorsemagen | 1995-05-02 |