Patents
Sitemap › F21 - Lighting › F21V - Functional features or details of lighting devices or systems thereof; Structural combinations of lighting devices with other articles, not otherwise provided for › F21V 5 - Refractors for light sources
Patents for F21V 5 - Refractors for light sources (22,617)
10/1991
10/08/1991US5055892 High efficiency lamp or light accepter
10/02/1991EP0449219A1 Beacon lantern and lens for the same
09/1991
09/24/1991US5051878 Luminaire having a lensed reflector system for improved light distribution control
09/19/1991WO1991014131A1 Optical system for lighting fixture
09/18/1991CN2085023U Seven-colour rainbow lamp
09/17/1991CA1289118C Headlight unit
08/1991
08/28/1991CN1054040A Tail light for vehicle
08/27/1991US5043856 Lighting lens
08/27/1991US5042911 Method of making lighting lens
08/27/1991CA1288130C Lights for vehicles
08/21/1991EP0442680A1 Polymers stabilized against light and heat degradation
08/21/1991EP0442095A2 Rearlight for vehicles
08/20/1991US5041862 Lens screen
08/20/1991US5040883 Light fixture with beam shaping lens
08/20/1991US5040878 Illumination for transmissive displays
08/13/1991US5040104 Task light panel
08/13/1991US5040103 Light assembly for wide area illumination
08/13/1991CA2035491A1 Polymers stabilized against light and heat degradation
08/08/1991WO1991011654A1 Projector device
08/07/1991CA2011496A1 Light-weight lenticular lighting panel
08/06/1991US5038262 Device for suspending hangings or light fittings
07/1991
07/30/1991US5036445 Means and method for controlling the uplighting properties of a luminaire having a reflector of substantially transparent material with a prismatic outer surface
07/30/1991US5036438 Projector-type head lamp for motor vehicles
07/25/1991DE4003905C1 Phantom light suppressor for signal lamp with reflector - has ambient light absorber in emergent light beams region of dispersion lenses
07/24/1991CN1053288A Multi-purpose multi-refraction bright lines and pattern changeable lamp
07/18/1991DE4005417C1 Lamp cover for motor vehicle tail light cluster - is integral piece with bendable region(s) allowing bowing to fit assembly contour
07/16/1991US5032963 Lens for traffic lights and method of making same
07/16/1991US5032960 Light source device with arrayed light emitting elements and manufacturing therefor
07/16/1991CA1286268C Headlamp assembly
07/11/1991WO1991010256A1 Tungsten halogen aluminized reflector lamp and method of fabricating such lamp
06/1991
06/26/1991EP0433840A1 Motor vehicle headlight
06/19/1991EP0432918A2 Vehicle headlamp assembly
06/18/1991US5025355 Combination lighting fixture and graphic display means
06/11/1991US5022740 Instrument gauge light projection device
06/11/1991US5022728 Device composed of a light guide plate
06/04/1991US5021930 Automotive headlamp having reduced chromatic aberration
05/1991
05/21/1991USRE33593 Luminaire for indirect lighting
05/16/1991DE3937889C1 Electrical illuminator with lamp and reflector - has diffusor extending whole length of tubular envelope at distance from foil
05/08/1991EP0426433A2 Light fixture for externally illuminated sign
05/08/1991EP0426411A2 Light fixture with beam shaping lens
05/08/1991EP0426337A2 Upper and lower beam optical switch for line-of-light headlamps using opaque masks
05/07/1991US5014173 Low beam or fog headlamp for motor vehicles
05/07/1991US5014166 Light unit
05/07/1991US5014165 Glass-made lens
05/04/1991CA2027149A1 Combination lighting fixture and graphic display means
05/02/1991EP0424757A2 Device for coupling of light beams into a transparent body
04/1991
04/10/1991EP0421324A2 Indicator panel structure, particularly for heavy motor vehicles
04/04/1991WO1991004442A1 Illuminating-engineering light reflector
04/03/1991EP0420365A2 Lightelement for attachment to mount of a lamp
04/02/1991CA1282390C Collapsible light pipe
03/1991
03/26/1991US5003448 Light-weight lenticular lighting panel
03/19/1991US5001616 Optical system for lighting fixture
03/19/1991US5001610 Automobile lamp
03/13/1991CN2073075U Rainbow lampshade
03/09/1991WO1991003682A1 Illuminating apparatus
03/09/1991CA2066412A1 Illuminating apparatus
03/06/1991EP0415640A2 High efficiency lamp or light accepter
03/06/1991EP0415026A2 Apparatus for light signals
03/05/1991US4998188 Wall mounted lighting fixture
02/1991
02/20/1991EP0413088A1 Work lamp
02/19/1991US4994945 Lamp system for operating theatres and the like
02/19/1991US4993807 Vehicle lamp lens
02/12/1991US4992916 Prismatic illuminator for flat panel display
02/07/1991DE3925999A1 Signal lamp with ellipsoidal reflector - has cover panel deviating in shape and with smaller light outlet surface compared with that of reflector
02/05/1991US4991073 Lighting lens
02/05/1991CA1279783C Totally internally reflecting thin, flexible film
01/1991
01/09/1991EP0406565A2 Headlight for vehicle
01/02/1991EP0404990A1 Motor vehicle light
12/1990
12/27/1990EP0404629A1 Signalling lights for road vehicles
12/19/1990EP0402845A2 Spotlight with infinitely variable light intensity
12/18/1990US4978948 Combined earthquake sensor and night light
12/12/1990EP0402146A2 Prismatic illuminator for flat panel display
12/12/1990EP0401608A2 Lens array
12/12/1990EP0382798A4 Universal circular enclosure for standard strip fluorescent fixtures
12/06/1990DE3916875A1 Signal light esp. multi-compartment signal lights for motor vehicle - uses green, red, and blue LED's combined so that single light is given with help of mix optics
12/05/1990EP0400594A2 Flashlight
12/04/1990USRE33471 Method for indirect lighting
12/04/1990US4975816 Lens for low light level lamp
11/1990
11/30/1990CA2017708A1 Flashlight
11/20/1990US4972307 Structure of headlamps for vehicles
11/20/1990US4972303 Automobile Lamp
11/13/1990US4970628 Headlamp for automotive vehicles
11/13/1990US4969783 Method of working fresnel step
11/07/1990EP0396219A2 Improved lamp system for operating theatres and the like
11/06/1990WO1990013879A1 Location marker
11/06/1990US4969075 Low-glare light
11/06/1990US4969074 Tier light including deflecting and refracting prisms
11/06/1990CA2054194A1 Location marker
10/1990
10/30/1990US4967328 Omnidirectional shock absorbing lamp mounting system for illuminated apparatus
10/25/1990DE3913470C1 Holder for row of glass domes - has elastically flexible lengthwise strips engaging grooves on sides of domes
10/24/1990EP0354961A4 Integrally-pressed collimator
10/23/1990US4965701 Illumination curtain kit apparatus
10/23/1990US4965488 Light-source multiplication device
10/18/1990WO1990012424A1 Light source multiplication device
10/11/1990DE3911140A1 Wall or ceiling luminaire
10/10/1990EP0391287A1 Operating lamp
10/10/1990EP0391195A2 Headlamp with sloped lens including beam-spreading flutes
10/03/1990EP0390757A2 Lens for traffic lights and method of making same
10/03/1990EP0390208A2 Projector-type head lamp for motor vehicles
10/03/1990EP0389724A1 Light-source multiplication device
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