Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8390195 | High pressure discharge lamp | Roland Huettinger, Stefan Kotter, Steffen Walter | 2013-03-05 |
| 8115390 | High pressure discharge lamp | Roland Huettinger, Stefan Kotter, Khanh Pham Gia, Steffen Walter | 2012-02-14 |
| 6194832 | Metal halide lamp with aluminum gradated stacked plugs | — | 2001-02-27 |
| 6075314 | Metal-halide lamp with specific lead through structure | Roland Huettinger | 2000-06-13 |
| 6020685 | Lamp with radially graded cermet feedthrough assembly | George C. Wei | 2000-02-01 |
| 5861714 | Ceramic envelope device, lamp with such a device, and method of manufacture of such devices | George C. Wei, Rodrique G. Thibodeau, John Selverian | 1999-01-19 |
| 5810635 | High-pressure discharge lamp, method of its manufacture, and sealing material used with the method and the resulting lamp | Juergen Heider, Koichiro Maekawa, Osamu Asano | 1998-09-22 |
| 5637960 | Ceramic discharge vessel for a high-pressure discharge lamp, having a filling bore sealed with a plug, and method of its manufacture | Roland Huettinger, Jens Clark, Osamu Asano, Kouichiro Maekawa | 1997-06-10 |
| 5592049 | High pressure discharge lamp including directly sintered feedthrough | Juergen Heider, Koichiro Maekawa, Osamu Asano | 1997-01-07 |
| 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, Roland Huettinger | 1996-09-03 |
| 5532552 | Metal-halide discharge lamp with ceramic discharge vessel, and method of its manufacture | Juergen Heider, Peter Wahrendorff | 1996-07-02 |
| 5484315 | Method for producing a metal-halide discharge lamp with a ceramic discharge vessel | Stefan Kotter, Hartmuth Bastian, Roland Huettinger, Juergen Heider | 1996-01-16 |
| 5455480 | High-pressure discharge lamp with ceramic discharge vessel and ceramic sealing means having lead-through comprising thin wires having a thermal coefficient of expansion substantially less than that of the ceramic sealing means | Hartmuth Bastian, Peter Wahrendorff | 1995-10-03 |
| 5446341 | High-pressure electric discharge lamp with tight lead-through pin electrode connection and method of its manufacture | Dieter Hofmann | 1995-08-29 |
| 5424608 | High-pressure discharge lamp with ceramic discharge vessel | Hartmuth Bastian | 1995-06-13 |
| 5352952 | High-pressure discharge lamp with ceramic discharge vessel | — | 1994-10-04 |
| 5075587 | High-pressure metal vapor discharge lamp, and method of its manufacture | Wolfgang Pabst, Dieter Brunner | 1991-12-24 |