Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8591070 | Lighting device having a socket and bulb fitting | Philipp Erhard, Ulrich Henger, Gerhard Mitic, Wolfgang Pabst | 2013-11-26 |
| 8390195 | High pressure discharge lamp | Stefan Juengst, Stefan Kotter, Steffen Walter | 2013-03-05 |
| 8222819 | Ceramic discharge vessel having an opaque zone and method of making same | George C. Wei, Christopher A. Tarry | 2012-07-17 |
| 8115390 | High pressure discharge lamp | Stefan Juengst, Stefan Kotter, Khanh Pham Gia, Steffen Walter | 2012-02-14 |
| 8040061 | Ceramic discharge vessel having an opaque zone and method of making same | George C. Wei, Christopher A. Tarry | 2011-10-18 |
| 6181065 | Metal halide or sodium high pressure lamp with cermet of alumina, molybdenum and tungsten | Dieter Lang, Rita Tiedt | 2001-01-30 |
| 6075314 | Metal-halide lamp with specific lead through structure | Stefan Juengst | 2000-06-13 |
| 5637960 | Ceramic discharge vessel for a high-pressure discharge lamp, having a filling bore sealed with a plug, and method of its manufacture | Stefan Juengst, Jens Clark, Osamu Asano, Kouichiro Maekawa | 1997-06-10 |
| 5552670 | Method of making a vacuum-tight seal between a ceramic and a metal part, sealed structure, and discharge lamp having the seal | Juergen Heider, Stefan Juengst | 1996-09-03 |
| 5484315 | Method for producing a metal-halide discharge lamp with a ceramic discharge vessel | Stefan Juengst, Stefan Kotter, Hartmuth Bastian, Juergen Heider | 1996-01-16 |