Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7982377 | High-pressure gas discharge lamp | Michael Haacke | 2011-07-19 |
| 7348731 | High-pressure gas discharge lamp with an asymmetrical discharge space | Michael Haacke | 2008-03-25 |
| 7084581 | Device and method for controlling a gas discharge lamp, and lighting system with gas discharge lamp and control device | Shin'ichi Honma, Michael Haacke | 2006-08-01 |
| 6815889 | High-pressure gas discharge lamp | Michael Haacke, Paul Hellwig, Juergen Schoeneich, Ralf Muckel | 2004-11-09 |
| 6111765 | Discharge lamp operating circuit using piezoelectric transformer and protective device | Hans G. Ganser, Dieter Leers, Klaus Lohn, Martin Ossmann | 2000-08-29 |
| 6104141 | Inventer-ballast using a piezoelectric transformer | Hans G. Ganser, Dieter Leers, Klaus Lohn, Martin Ossmann | 2000-08-15 |
| 5714848 | Variable color discharge lamp | Rainer Hilbig, Uwe Chittka | 1998-02-03 |
| 5696426 | Lighting unit, electrodeless low-pressure discharge lamp, and discharge vessel | Petrus H. Antonis | 1997-12-09 |
| 4728867 | Electrodeless low-pressure discharge lamp | Andreas C. Van Veghel | 1988-03-01 |
| 4727294 | Electrodeless low-pressure discharge lamp | Henk Houkes, Andreas G. Van Veghel | 1988-02-23 |
| 4727295 | Electrodeless low-pressure discharge lamp | Andreas C. Van Veghel | 1988-02-23 |
| 4710678 | Electrodeless low-pressure discharge lamp | Henk Houkes, Andreas C. Van Veghel | 1987-12-01 |
| 4704562 | Electrodeless metal vapor discharge lamp with minimized electrical interference | Patricius W. M. Lepelaars | 1987-11-03 |
| 4661746 | Electrodeless low-pressure discharge lamp | Johannes A. J. M. Van Vliet | 1987-04-28 |
| 4568859 | Discharge lamp with interference shielding | Henk Houkes, Jan W. Denneman | 1986-02-04 |
| 4536675 | Electrodeless gas discharge lamp having heat conductor disposed within magnetic core | — | 1985-08-20 |