| Patent | Date |
|---|
Metal halide lamp with ceramic discharge vessel
Grant 6,617,790 - Fidler , et al. September 9, 2 | 2003-09-09 |
Metal halide or sodium high pressure lamp with cermet of alumina, molybdenum and tungsten
Grant 6,181,065 - Huettinger , et al. January 30, 2 | 2001-01-30 |
Fluorescence-suppressed quartz glass, and electric lamp with this quartz glass
Grant 5,808,411 - Deisenhofer , et al. September 15, 1 | 1998-09-15 |
Ignitional run circuit that immediately applies only a DC voltage after lamp ignition but before the main AC potential is applied
Grant 5,770,924 - Osterried , et al. June 23, 1 | 1998-06-23 |
Metal-halide discharge lamp for photooptical purposes
Grant 5,691,601 - Frey , et al. November 25, 1 | 1997-11-25 |
Method to operate a discharge lamp, and circuit arrangement for operation of the discharge lamp
Grant 5,680,015 - Bernitz , et al. October 21, 1 | 1997-10-21 |
High-pressure discharge lamp, particularly low-rated power discharge lamp, with enhanced quality of light output
Grant 5,629,585 - Altmann , et al. May 13, 1 | 1997-05-13 |
Glove box
Grant 5,628,665 - Lang , et al. May 13, 1 | 1997-05-13 |
Electric lamp having a fluorescence-suppressed quartz-glass envelope, and quartz glass therefor
Grant 5,589,734 - Deisenhofer , et al. December 31, 1 | 1996-12-31 |
Ballast for one or more fluorescent lamps including threshold sensitive filament voltage preheating circuitry
Grant 5,583,399 - Rudolph December 10, 1 | 1996-12-10 |
Method of making a vacuum-tight seal between a ceramic and a metal part, sealed structure, and discharge lamp having the seal
Grant 5,552,670 - Heider , et al. September 3, 1 | 1996-09-03 |
Reflector lamp specifically adapted for combination with a reflector lamp-lamp luminaire or fixture
Grant 5,548,182 - Bunk , et al. August 20, 1 | 1996-08-20 |
Single-based electric lamp base structure with connecting lead strain relief
Grant 5,495,138 - Behr , et al. February 27, 1 | 1996-02-27 |
Fluorescent lamp operating circuit, permitting dimming of the lamp
Grant 5,493,182 - Sowa , et al. February 20, 1 | 1996-02-20 |
Method of supplying current to a sodium high-pressure discharge lamp, and current supply system
Grant 5,481,162 - Boenigk , et al. January 2, 1 | 1996-01-02 |
High-pressure discharge lamp with a halide fill including life-extending additives
Grant 5,461,281 - Fromm , et al. October 24, 1 | 1995-10-24 |
Transformerless fluorescent lamp operating circuit, particularly for a compact fluorescent lamp, with phase-shifted inverter control
Grant 5,349,270 - Roll , et al. September 20, 1 | 1994-09-20 |
Screw-in adapter for single-based low-pressure discharge lamp, especially compact fluorescent lamp
Grant 5,320,548 - Schadhauser June 14, 1 | 1994-06-14 |
Reusable stackable holder for flanged articles, especially electrical lamps
Grant 5,291,998 - Fiebig March 8, 1 | 1994-03-08 |
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