Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5017839 | Illumination system having a low-power high-pressure discharge lamp and power supply combination | Joachim Arlt, Jurgen Von Scheidt, Jurgen Heider | 1991-05-21 |
| 4801840 | Discharge lamp having automatically controlled preheating device attached to envelope | Jurgen Heider, Wolfgang Schade | 1989-01-31 |
| 4739220 | Method of making a single-based metal halide high-pressure discharge lamp, and lamp made according to the method | Jurgen Heider, Achim Gosslar | 1988-04-19 |
| 4723092 | Method of making a single-ended metal halide high-pressure discharge lamp, and single-ended lamp made according to the method | Jurgen Heider, Jurgen Vom Scheidt, Ewald Wurster | 1988-02-02 |
| 4717852 | Low-power, high-pressure discharge lamp | Jurgen Heider, Achim Gosslar | 1988-01-05 |
| 4647814 | High-power, high-pressure metal halide discharge lamp with improved spectral light distribution | Bernd Lewandowski, Walter Kiele | 1987-03-03 |
| 4490642 | High-pressure sodium discharge lamp | Georg Marsen | 1984-12-25 |
| 4393331 | High pressure mercury vapor discharge lamp with outer bulb | Lutz Klein, Gunter Woizan | 1983-07-12 |
| 4249102 | Halogen-metal vapor discharge lamp | Rudolf Krieg, Horst Krense | 1981-02-03 |