| Patents for H01K 9 - Lamps having two or more incandescent bodies separately heated (790) |
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| 02/23/2000 | CN1245347A Electric light source with multiple filaments |
| 02/16/2000 | EP0979526A1 Vehicle lamps with glare control |
| 01/13/2000 | WO2000002220A2 Color lamp |
| 11/16/1999 | US5984751 Method for manufacturing an electric light bulb |
| 10/13/1999 | CN1231498A High-efficient energy-saving bulb with double-tungsten filament and three-electrode |
| 10/05/1999 | US5962973 Optically-coated dual-filament bulb for single compartment headlamp |
| 09/21/1999 | US5956003 Flat panel display with array of micromachined incandescent lamps |
| 09/09/1999 | DE19809296A1 Automobile lighting device for optimum illumination of road ahead |
| 09/07/1999 | US5949181 Automotive lamp bulb with alignment bead |
| 08/03/1999 | US5932973 Multifilament lamp, a method for varying its brightness and control and operating circuit therefor |
| 06/09/1999 | EP0921345A2 Portable lamp, in particular pocket lamp |
| 06/09/1999 | CN2323465Y Automatic filament replacing lamp bulb |
| 05/26/1999 | CN2321115Y Multi-functional long-life bulb |
| 05/26/1999 | CN2321114Y Double-filament incandescent lamp bulb |
| 05/26/1999 | CN1217817A Method for manufacturing electric light bulb |
| 04/28/1999 | EP0910867A1 Method for manufacturing an electric light bulb |
| 02/25/1999 | DE19736707C1 Signalling light device testing circuit for railway crossover |
| 02/24/1999 | CN2308963Y Assembly dual-purpose bulb of filament lamp |
| 02/02/1999 | US5867630 Infrared radiator and its manufacturing process |
| 01/12/1999 | US5857764 Vehicle light bulb |
| 01/05/1999 | US5856723 Incandescent lamp with low-beam screening cap |
| 01/04/1999 | CA2241581A1 Electric lamp device and lighting apparatus |
| 12/16/1998 | EP0884216A2 Vehicle lighting with glare preventing device |
| 12/15/1998 | US5850124 Automobile lamp bulb with welded low beam shield |
| 12/08/1998 | CA2032338C Vehicular lighting device |
| 12/01/1998 | US5844364 Incandescent light-emitting assemblies |
| 11/18/1998 | EP0878830A1 Incandescent lamp for traffic signalling |
| 11/05/1998 | WO1998049717A1 Vehicle lamps with improved filament and filament support configurations |
| 11/05/1998 | WO1998049716A1 Vehicle lamps with glare control |
| 11/04/1998 | CN2296577Y Durable lamp bulb |
| 10/21/1998 | CN1196825A Screening device for motor vehicle headlamp and process for manufacturing it |
| 10/14/1998 | CN1196137A Re-usable light bulb |
| 09/03/1998 | WO1998038670A1 Method for manufacturing an electric light bulb |
| 09/02/1998 | CN2290113Y High-efficient lighting high-low lamp |
| 09/01/1998 | US5800047 Structure of decorating light string's light bulb |
| 08/27/1998 | DE19707245A1 Verfahren zur Herstellung einer elektrischen Glühlampe A process for producing an electric incandescent lamp |
| 08/26/1998 | CN2289301Y Stand-by electric bulb |
| 07/01/1998 | EP0850488A1 Re-usable light bulb |
| 06/03/1998 | EP0845152A1 Screening device for a motor vehicle headlamp and process for manufacturing the same |
| 05/19/1998 | US5754005 Electric lamps containing electrical leads of a molybdenum and tungsten alloy |
| 05/14/1998 | WO1998020520A1 Light producing device and control thereof |
| 04/01/1998 | CN1177826A Bulb for automobile |
| 03/31/1998 | US5734227 Incandescent lamps and process for producing the same |
| 03/10/1998 | US5725298 Vehicular headlight providing high-beam and depressed-beam illumination, and light source therefor |
| 03/04/1998 | CN1175083A Lamp for car |
| 02/17/1998 | US5719468 Headlight apparatus |
| 01/28/1998 | CN1171620A Lamp bulb for vehicle |
| 01/07/1998 | EP0817243A2 Vehicle light bulb |
| 01/02/1998 | DE19624688A1 Abschattungsvorrichtung für eine Kraftfahrzeugscheinwerferlampe und Herstellungsverfahren für eine derartige Abschattungsvorrichtung Shading device for a motor vehicle headlight lamp and manufacturing method for such a shield device |
| 12/24/1997 | WO1997049117A1 Screening device for a motor vehicle headlamp and process for manufacturing the same |
| 12/11/1997 | DE19722215A1 Infra=red radiator with manufacturing method |
| 12/10/1997 | EP0812004A2 Automobile lamp bulb |
| 12/10/1997 | EP0812003A2 Infrared radiator and its manufacturing procedure |
| 12/10/1997 | EP0812002A2 Automotive lamp bulb |
| 11/19/1997 | CN2268310Y Incandescent bulb |
| 11/05/1997 | CN2266799Y Double-filament lamp bulb |
| 10/22/1997 | EP0802562A2 Light-emitting assemblies |
| 09/24/1997 | CN1160137A Automotive headlight for near and far lighting and its light tube |
| 09/17/1997 | CN2262762Y Common multifunctional durable lighting lamp bulb |
| 08/27/1997 | EP0791779A2 Motor vehicle headlamp for dipped and main beam and lamp |
| 08/06/1997 | CN2259022Y 双灯丝白炽灯泡 Dual-filament incandescent light bulb |
| 07/30/1997 | CN2258655Y Light-changeable bulb and suctet thereof |
| 05/28/1997 | EP0776025A1 Incandescent electric lamp with cap and method of fabricating such, as well as cap for an incandescent electric lamp |
| 05/07/1997 | CN2253868Y Lamp bulb |
| 03/27/1997 | DE19602252A1 Multi-colour lamp |
| 03/20/1997 | WO1997010611A1 Re-usable light bulb |
| 12/11/1996 | CN1137686A Lamp bulb with lampshade and lampholder |
| 12/05/1996 | DE19519255A1 Electric lamp with double filament e.g. for automobiles |
| 11/26/1996 | US5578893 Bulb for vehicular lighting equipment |
| 11/13/1996 | CN2240196Y Incandescent lamp and its holder |
| 11/06/1996 | CN2239660Y Dual filaments projecting lamp |
| 10/09/1996 | CN2237279Y Multi-filament lamp bulb and lamp cap |
| 10/02/1996 | EP0735571A2 Incandescent lamp |
| 09/18/1996 | CN2235655Y Incandescent lamp and its plug |
| 09/11/1996 | EP0731489A1 Multi-wires lamp, method for varying the brightness and corresponding driving and control circuit |
| 09/11/1996 | CN1130800A Parallel circuit control lamp filament lamp bulb and making thereof |
| 07/31/1996 | CN1127933A Electric lamp |
| 05/09/1996 | DE4438870A1 Fast response infra=red source in hermetically sealed quartz tube |
| 04/10/1996 | CN2224463Y Multi-purpose bulb |
| 01/24/1996 | CN2218411Y Non-support dual filement halogen lamp |
| 11/02/1995 | DE4414818A1 Electric lamp |
| 10/18/1995 | CN2210471Y Electric bulb with multi-filament |
| 09/13/1995 | CN2207630Y Rotating emergency lamp bulb and socket |
| 08/16/1995 | CN2205621Y Multi-way changer for colour lamp |
| 08/09/1995 | CN2205058Y Light bulb with multiple filaments |
| 08/08/1995 | US5440463 Flashlight lamp configuration to produce either a spot or broad beam with enhanced brightness |
| 05/04/1995 | DE4437363A1 Electrode feed lines made from a molybdenum/tungsten alloy and lamp having such feed lines |
| 03/07/1995 | CA1334663C Multiple color light with structure to prevent color bleeding |
| 01/24/1995 | US5384510 Incandescent lamp with an improved filament implementation |
| 12/21/1994 | CN2185924Y Multiple filament in light bulb |
| 11/30/1994 | CN2184255Y Long life lamp |
| 11/09/1994 | CN2182463Y Double-filament energy-saving lamp bulb |
| 11/02/1994 | CN2181753Y 长寿灯泡 Bulb longevity |
| 11/02/1994 | CN2181752Y Lamp for car |
| 10/13/1994 | DE4311663A1 Method and devices for softly switching on filament lamps |
| 09/28/1994 | CN2178388Y Double wire incandescent lamp bulb |
| 09/06/1994 | US5345143 Light bulb with program disc |
| 08/31/1994 | CN1091550A Three-electrode double-filament two-purpose incandescent lamp |
| 07/19/1994 | US5331520 Headlights for motor vehicles |
| 06/22/1994 | CN2169924Y Two position screw socket bulb |