Patents
Patents for F21K 99 - Subject matter not provided for in other groups of this subclass (8,833)
04/1995
04/04/1995US5404282 Multiple light emitting diode module
04/04/1995US5404277 Apparatus for backlighting LCD
03/1995
03/22/1995EP0644373A2 Electrical apparatus
03/21/1995US5400229 Receptacle apparatus for light emitting diodes
01/1995
01/19/1995DE4321823A1 Illumination unit for illuminated signs
01/05/1995DE4320811A1 Luminaire insert, in particular for lamps in model making
12/1994
12/20/1994US5375044 Multipurpose optical display for articulating surfaces
10/1994
10/18/1994US5357409 Illuminated safety helmet
08/1994
08/17/1994EP0610239A1 El lights and emergency lighting system for hazardous areas
08/09/1994US5336345 Process for manufacturing an elongated electroluminescent light strip
06/1994
06/28/1994US5325271 Marker lamp with LED array and prismatic diffuser
06/08/1994EP0600158A1 Light transmission apparatus for electro-optically coupling to a display panel for an electronic instrument
05/1994
05/05/1994DE4237107A1 Background illumination device for flat display surface - arranges LEDs in row parallel to one side wall on circuit board, below display surface, provides convex side wall, and fills enclosed space with light-scattering transparent material
04/1994
04/12/1994US5303133 Miniature electrical lighting device
12/1993
12/07/1993US5268823 Light transmission apparatus for electro-optically coupling to a display panel for an electronic instrument
11/1993
11/30/1993CA2070044A1 Tamper-resistant fixture for self-luminous radioactive light
11/24/1993EP0570987A1 Bicycle rear light
10/1993
10/26/1993US5257173 Light irradiating apparatus having light emitting diode used as light source
10/12/1993US5253150 Warning light
09/1993
09/23/1993DE4307570A1 Semiconductor laser source emitting beam with circular cross-section - produces beam using cylindrical rod lens at right angles to axis of elliptical beam emerging from diode chip
08/1993
08/17/1993US5237490 Solar power-operated, construction work warning lamp with focusing device for intensifying the intensity of light
07/1993
07/01/1993DE4141980A1 High power light emitting diode e.g. for replacing incandescent lamp - has active diode moulded into transparent body together with connections to outer contact points
06/1993
06/24/1993DE4142310A1 Self-igniting sparkler firework - has head of match ignition material ignitable directly on matchbox transmitting heat to sparkler combustion material
05/1993
05/18/1993USRE34254 Surface mounted LED package
04/1993
04/29/1993DE4234160A1 LED light source esp. for replacing lamps on vehicle dashboard - has array of e.g. four diodes recessed into special carrier and connected electrically in series for local illumination
03/1993
03/01/1993WO1993005337A1 El lights and emergency lighting system for hazardous areas
03/01/1993CA2102437A1 El lights and emergency lighting system for hazardous areas
11/1992
11/10/1992US5162696 Flexible incasements for LED display panels
11/10/1992US5161879 Flashlight for covert applications
11/03/1992US5160201 Panel illuminating display module
11/03/1992US5160200 Wedge-base LED bulb housing
10/1992
10/13/1992US5155669 Light emitting apparatus
09/1992
09/01/1992US5143442 Portable projection device
09/01/1992US5143439 High efficiency novelty flasher assembly
08/1992
08/04/1992US5136488 Multi-directional miniature switch indicator light
07/1992
07/07/1992US5128843 Multipurpose optical display for articulating surfaces
06/1992
06/30/1992US5126929 LED holder with lens
06/16/1992US5122939 Safety lighting and reflector system
05/1992
05/26/1992US5116229 Light unit terminals maintained in bent condition
01/1992
01/21/1992US5083192 Cluster mount for high intensity leds
11/1991
11/19/1991US5066889 Sealed led lamp housing
11/13/1991EP0456343A1 Cluster mount for high-intensity LED's
08/1991
08/08/1991DE4003539A1 Blue lamp with LED-shaped compact filament bulb - has greater thickness of coloured surround over domed end of ellipsoid with thinner material around base
07/1991
07/30/1991US5036248 Light emitting diode clusters for display signs
05/1991
05/21/1991US5018055 Bendable and deformable lamp string combination
05/21/1991US5017833 Pilot light assembly
05/08/1991EP0426397A1 Asymmetrical reflector for LED
04/1991
04/09/1991US5006971 Light-weight
02/1991
02/05/1991US4990804 Remote
01/1991
01/09/1991EP0407001A2 A sealed led lamp housing
10/1990
10/30/1990US4967330 LED lamp with open encasement
10/24/1990CN2064471U Dual-purposed devices
10/23/1990US4965457 Removable panel illuminating module
10/16/1990US4964025 Nonimaging light source
10/03/1990EP0390479A2 Light emitting diode clusters for display signs
09/1990
09/12/1990EP0386167A1 Pilot light assembly
09/11/1990CA1273983A1 Tritium light
07/1990
07/03/1990US4939426 Light emitting diode array
06/1990
06/19/1990US4935632 Beta rays from immobilized tritium to activate light source
05/1990
05/17/1990WO1990005268A1 A portable illumination device
05/08/1990US4924358 Safety-sparkler wand w/chemiluminescent or electric-light illumination
05/08/1990CA2002084A1 Portable illumination device
10/1989
10/19/1989WO1989009910A1 Pilot light assembly
09/1989
09/26/1989CA1261040A1 Decorative display apparatus
04/1989
04/19/1989CN2036235U Lighting device using sunlight
03/1989
03/14/1989US4812957 Optical system for uniform illumination of a plane surface
03/14/1989US4812952 Self-illuminating floral device
02/1989
02/07/1989US4803599 Mounting bar structure for electrical signalling and indicating devices
01/1989
01/12/1989DE3824972A1 Illumination of christmas trees, decorations and artwork
12/1988
12/27/1988US4794503 Lamp having improved image resolution
12/13/1988US4791536 Sound responsive lighted earrings
11/1988
11/29/1988US4788437 Tritium light
11/08/1988US4783726 Modular light device
08/1988
08/30/1988US4768136 For aircraft landings under law light conditions
08/02/1988US4761720 Illuminated tape
04/1988
04/12/1988US4737764 Modular floor covering units with built-in lighting
03/1988
03/29/1988US4733488 Decorative display apparatus
01/1988
01/21/1988DE3722578A1 Electrical lamp unit for traffic lights or other similar light signal devices
01/12/1988US4719544 Electronic jewelry
11/1987
11/04/1987EP0243474A1 Solar-powered illuminated reflector
08/1987
08/04/1987US4684940 Fastening device of electroluminescent diodes on a sealed display table
06/1987
06/02/1987CA1222541A1 Self-luminous light source
05/1987
05/27/1987EP0222793A1 Variable spot size illuminator with constant convergence angle
05/26/1987US4668120 Solar-powered illuminated reflector
05/26/1987US4667481 Method of and apparatus for emitting light in ice
05/20/1987EP0221912A1 A device for use with an illuminated surface, preferably an electric sign
05/19/1987US4667277 Indicator lamp assembly
04/1987
04/23/1987WO1987002400A1 Solar-powered illuminated reflector
12/1986
12/09/1986US4628419 Signal lamp
12/09/1986US4628416 Variable spot size illuminator with constant convergence angle
11/1986
11/26/1986EP0202632A2 Fixture for producing lighting effects in discothèques
11/20/1986WO1986006817A1 Variable spot size illuminator with constant convergence angle
10/1986
10/08/1986CN85102745A Laser ultrahigh power luminary
09/1986
09/12/1986WO1986005256A1 A device for use with an illuminated surface, preferably an electric sign
08/1986
08/12/1986US4605882 Electronic jewelry simulating natural flickering light
05/1986
05/28/1986EP0181890A1 A low-light miniature flash light
12/1985
12/05/1985WO1985005432A1 A low-light miniature flash light
11/1985
11/26/1985US4555749 LED Circuit board indicator housing and tie-bar assembly
10/1985
10/15/1985US4547701 IR Light for use with night vision goggles
10/08/1985US4546417 Self-luminous light source
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