Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657392 | Discharge lamp for dielectrically impeded discharges comprising supporting elements between a bottom plate and a cover plate | Lothar Hitzschke | 2003-12-02 |
| 6636004 | Dimmable discharge lamp for dielectrically impeded discharges | Lothar Hitzschke | 2003-10-21 |
| 6568774 | Pulsed operation method for a silent discharge lamp | Lothar Hitzschke | 2003-05-27 |
| 6545427 | Discharge lamp having an improved temperature homogeneity | Lothar Hitzschke | 2003-04-08 |
| 6531822 | Flat reflector lamp for dielectrically inhibited discharges with spacers | Lothar Hitzschke | 2003-03-11 |
| 6522082 | Electronic ballast for discharge lamp comprising dielectrically impeded discharges | Klaus Wammes, Lothar Hitzschke | 2003-02-18 |
| 6483255 | Gas discharge lamp with separately operating electrode groups | Lothar Hitzschke, Simon Jerebic | 2002-11-19 |
| 6454451 | Flat lighting device having an aperture lamp | Lothar Hitzschke | 2002-09-24 |
| 6411039 | Discharge lamp for dielectrically impeded discharges with improved electrode configuration | Lothar Hitzschke, Simon Jerebic | 2002-06-25 |
| 6407513 | Gas-discharge lamp with controllable length of illumination | Lothar Hitzschke | 2002-06-18 |
| 6402343 | Lighting device | Lothar Hitzschke | 2002-06-11 |
| 6399145 | Method for coating lamp bulbs | Simon Jerebic | 2002-06-04 |
| 6390637 | Flat lighting device and method for operating | Lothar Hitzschke | 2002-05-21 |
| 6388374 | Signal lamp having a flat reflector lamp with locally modulated luminance | Lothar Hitzschke | 2002-05-14 |
| 6376989 | Dimmable discharge lamp for dielectrically impeded discharges | Lothar Hitzschke | 2002-04-23 |
| 6353294 | Operational method and electronic ballast for a discharge lamp comprising dielectrically impeded discharges | Klaus Wammes, Lothar Hitzschke | 2002-03-05 |
| 6348760 | Flat signaling lamp with dielectrically impeded discharge | Lothar Hitzschke | 2002-02-19 |
| 6310442 | Discharge lamp with dielectrically impeded electrodes | Lothar Hitzschke | 2001-10-30 |
| 6304028 | Discharge lamp with dielectrically impeded electrodes | Lothar Hitzschke | 2001-10-16 |
| 6252352 | Flat light emitter | Lothar Hitzschke, Simon Jerebic | 2001-06-26 |
| 6249079 | Fluorescent lamp with spacers and locally reduced luminescent material layer thickness | Lothar Hitzschke | 2001-06-19 |
| 6246171 | Gas discharge lamp with dielectrically impeded electrodes | Lothar Hitzschke, Jens Muecke, Rolf Siebauer, Simon Jerebic | 2001-06-12 |
| 6225758 | Method for producing impulse voltage sequences to operate discharge lamps and circuit pertaining thereto | Lothar Hitzschke | 2001-05-01 |
| 6222317 | Flat light emitter | Lothar Hitzschke, Jens Muecke, Rolf Siebauer, Simon Jerebic | 2001-04-24 |
| 6172467 | Method and device for producing series of impulse voltages to operate discharge lamps and circuit pertaining thereto | Lothar Hitzschke | 2001-01-09 |