Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7122951 | Dielectric barrier discharge lamp with improved color reproduction | Renate Hirrle, Regine Kramer, Ulrich Müller, Martin Zachau | 2006-10-17 |
| 5248913 | High pressure discharge lamp | — | 1993-09-28 |
| 5138227 | High-pressure discharge lamp, particularly double-ended high-power, high-wall loading discharge lamp, and method of making the same | Achim Gosslar | 1992-08-11 |
| 5108333 | Method of making a double-ended high-pressure discharge lamp | Dieter Lang, Hartmuth Bastian, Stefan Kotter, Richard Kotschenreuther | 1992-04-28 |
| 5017839 | Illumination system having a low-power high-pressure discharge lamp and power supply combination | Joachim Arlt, Alexander Dobrusskin, Jurgen Von Scheidt | 1991-05-21 |
| 4937495 | Electrode structure for single ended high pressure discharge lamp | Achim Gosslar | 1990-06-26 |
| 4935660 | Single-ended compact halogen discharge lamp and reflector combination | Manfred Gurel | 1990-06-19 |
| 4851735 | Single-ended high-pressure discharge lamp with coil and mandrel electrode | Achim Gosslar | 1989-07-25 |
| 4801840 | Discharge lamp having automatically controlled preheating device attached to envelope | Alexander Dobrusskin, Wolfgang Schade | 1989-01-31 |
| 4782266 | Rapid-start single-ended high-pressure discharge lamp | Richard Kotschenreuther, Wolfgang Schade | 1988-11-01 |
| 4779026 | Rapid-start high-pressure discharge lamp, and method of its operation | Jurgen Vom Scheidt | 1988-10-18 |
| 4754195 | High-pressure discharge lamp, and method of its manufacture | Erhard Rasch, Werner Eisele | 1988-06-28 |
| 4739220 | Method of making a single-based metal halide high-pressure discharge lamp, and lamp made according to the method | Alexander Dobrusskin, 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 Vom Scheidt, Ewald Wurster, Alexander Dobrusskin | 1988-02-02 |
| 4717852 | Low-power, high-pressure discharge lamp | Alexander Dobrusskin, Achim Gosslar | 1988-01-05 |
| 4658177 | Electric lamp with oriented current conductors extending through a press seal | Achim Gosslar | 1987-04-14 |
| 4633136 | High-pressure discharge lamp with low power input | Dietrich Fromm, Helmut Klingshirn, Achim Gosslar | 1986-12-30 |