Patents
Patents for F21L 4 - Electric lighting devices with self-contained electric batteries or cells (13,838)
05/2000
05/10/2000CN2377432Y Improved structure of electric torch
05/09/2000US6059428 Lighting device, particularly a motor vehicle headlamp, having a micro-lens structure with a flexible support for adjusting the emitted light beam
05/03/2000EP0996861A1 Beam-forming lens with internal cavity that prevents front losses
05/03/2000CN2376570Y Lamp for deep part surgical operation
05/02/2000US6056415 Penlight having low magnetic susceptibility
05/02/2000US6056414 Portable light with stand
04/2000
04/26/2000CN2375853Y Hand-held movable desk electric light
04/25/2000US6053936 Portable illumination device for modifying circadian rhythms
04/19/2000CN2374738Y Multifunctional automobile operation hand lamp
04/18/2000US6050699 Portable electric torch with rotary cylinder
04/18/2000US6050697 Image projecting candy unit
04/05/2000CN2372543Y Combined lamps and lanterns
04/05/2000CN2372542Y 照明帽 Lighting cap
04/05/2000CN2371942Y Multifunctional diagnostic instrument with lighting device
04/04/2000US6045237 Flashlight identification plate
04/04/2000US6045236 Twist on/off and adjustable focus flashlight
04/04/2000US6045235 DC power suppy device with rechargeable cellular telephone battery in flashlight with connection for remote electrical device
03/2000
03/29/2000CN2371429Y Emergent lighting lamp with device for fire disaster smoke prevention and filtering poison
03/21/2000US6039456 Squeeze-activated flashlight
03/15/2000CN2369068Y Lighting on head
03/15/2000CN2369067Y Multifunctional signal light
03/09/2000DE19834253A1 Discharge lamp arrangement especially for hand spotlights has illumination circuit unit arranged peripherally at least partly around discharge lamp unit and/or coupling arrangement
03/08/2000CN1246591A Two-purpose incandescent and fluorescent lamp
03/01/2000CN2366680Y Multi-functional and portable type search-light
03/01/2000CN2366679Y Telescopic type lighting lamp
02/2000
02/29/2000US6030094 Collapsible lantern with automatic shut-off feature
02/24/2000WO2000009940A1 Jewelry piece
02/24/2000DE19827806C1 Schaltervorrichtung für eine Taschenleuchte Switch device for a torch
02/22/2000US6028327 Light-emitting device using an organic thin-film electroluminescent light-emitting element
02/22/2000US6027226 Variable-focusing head cap assembly for a flashlight
02/16/2000EP0979372A1 Card light
02/16/2000CN2364326Y Portable hand lamp
02/16/2000CN2364325Y Hand signal lamp
02/15/2000US6024471 Rotary switch lighting device
02/08/2000US6022131 Room lighting unit for vehicles
02/08/2000US6022127 Multi-function switching head for use with handheld illumination devices
01/2000
01/26/2000CN2360715Y Rechargable electric torch
01/26/2000CN2360714Y Long effect electric torch
01/25/2000US6017129 Switchable tail-cap illuminator with power supply
01/18/2000US6015217 Uniform epaulet-coupled emergency flashlight
01/12/2000CN2358332Y High reliable explosion-proof miners lamp for detecting gas
01/12/2000CN2358331Y Lighting device
01/11/2000US6012824 Flashlight with rotatable lamp head
01/11/2000CA2186195C Dual beam flashlight
01/06/2000WO2000000769A1 Indication device
01/06/2000CA2333289A1 Indication device
12/1999
12/29/1999WO1999067568A1 Method and apparatus for light transmission
12/29/1999WO1999067567A1 A lighting device
12/29/1999EP0967432A2 Switching device for a pocket lamp
12/29/1999CA2335783A1 Method and apparatus for light transmission
12/29/1999CA2333533A1 A lighting device
12/28/1999US6008732 Motor vehicle display apparatus
12/28/1999US6007216 Emergency alert light
12/23/1999DE19827102A1 Lamp especially underwater lamp watertight housing enclosing light sources
12/21/1999US6004008 Multi-functional flashlight
12/21/1999US6004003 Portable lighting device
12/14/1999US6000811 Hanging emergency light assembly
12/02/1999DE19928275A1 Pocket lamp with accumulator rechargeable across plug box for professionals and craftsmen such as painters or electricians or DIY people
11/1999
11/30/1999US5993022 Multi-pivot flashlight
11/24/1999CN1236425A A portable lighting product, a portable lighting product circuit and a functioning method for a portable lighting product circuit
11/23/1999US5990430 Waterproof switch device for a flashlight
11/23/1999US5988828 Portable light incorporating a multi-position hook
11/02/1999US5975714 Renewable energy flashlight
10/1999
10/26/1999US5971562 Twin headed flashlight
10/26/1999CA2153892C Flashlight and recharging system therefor
10/21/1999WO1999053235A1 Rechargable security intelligent torch
10/19/1999US5967642 Flashlight
09/1999
09/28/1999US5957567 Flashlight with support ribs extending beyond front face
09/28/1999US5957566 Flashlight
09/23/1999DE19813837A1 Light transmitter e.g. for use in medicine
09/21/1999US5954420 Telescopic flashlight
09/21/1999US5954416 Rotating reflector flashlight
09/08/1999CN1228151A Lighting devices E. G. bicycle lamps
09/07/1999US5947585 Heated cover for flashlight used in cold weather
09/07/1999US5947580 Universal safety light with EL element
09/07/1999CA2187399C Flashlight
09/01/1999EP0856120A4 Convertible flashlight
08/1999
08/31/1999US5944407 Illumination device
08/19/1999WO1999017050A3 Multi-function lantern including flashing lantern cap
08/18/1999EP0935726A1 A portable lighting product, a portable lighting product circuit and a functioning method for a portable lighting product circuit
08/10/1999US5934789 Disposable planar flashlight
08/03/1999US5931562 Multi-functional tactical flashlight
08/03/1999US5931560 Flashlight having flexible, memory-retaining members
07/1999
07/29/1999WO1999037948A1 Improved flashlight
07/27/1999US5927846 Disposable planar flashlight
07/22/1999WO1999036729A1 Hand-holdable toy light tube
07/22/1999WO1999036728A1 Flat torch
07/13/1999US5921657 Flashlight carrier sleeve and handle
07/13/1999US5921656 Water activated emergency strobe light
06/1999
06/30/1999EP0912650A4 Battery device
06/24/1999WO1999031432A1 Laser lighting system
06/24/1999WO1999017050A8 Multi-function lantern including flashing lantern cap
06/10/1999DE19754444A1 Portable lamp esp. pocket torch with variable lighting power
06/09/1999EP0921345A2 Portable lamp, in particular pocket lamp
06/08/1999US5909952 Flashing indentification light adaptor system for flashlight
06/08/1999US5909851 Attaching equipment for detachably engaging a string-type object
06/02/1999EP0918970A1 Lighting devices e.g. bicycle lamps
05/1999
05/19/1999EP0916059A1 Flashing identification light adaptor system for flashlight
05/19/1999CN1217088A Battery device
05/18/1999US5905359 Combination flywheel and electrical storage cell and method of use