Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7560878 | Circuit arrangement and method for operating high-pressure discharge lamps | Christian Breuer, Andreas Huber, Kai Wolter | 2009-07-14 |
| 5739644 | Discharge lamp typically a sodium high-pressure discharge lamp, from an a-c power network | Andreas Huber, Guenther Hirschmann, Michael Boenigk | 1998-04-14 |
| 5680015 | Method to operate a discharge lamp, and circuit arrangement for operation of the discharge lamp | Andreas Huber, Hendrik Kornatz, Peter Niedermeier | 1997-10-21 |
| 5540595 | Lamp operating accessory circuit construction | Peter Niedermeier, Josef Osterried | 1996-07-30 |
| 5436533 | Method to operate a high-pressure discharge lamp suitable for horizontal arc position | Dietrich Fromm, Juergen Seehawer | 1995-07-25 |
| 5343125 | High-pressure discharge lamp with pulsed inverter operating circuit, and method of operating a discharge lamp | Andreas Huber, Frank Hansmann | 1994-08-30 |
| 5198728 | Operating circuit for a discharge lamp | Frank Hansmann, Andreas Huber | 1993-03-30 |
| 4792887 | Regulated rectifier d.c. power supply | Eugen Statnic, Frank Hansmann | 1988-12-20 |
| 4336509 | Oscillation generator for an ultrasonic liquid atomizer | — | 1982-06-22 |