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Browse by Category: Main > Optical & Optics
Class Information
Number: 362/354
Name: Illumination > Light modifier > Translucent or opaque (e.g., "shade") > Louvered or grid type
Description: Subject matter wherein the modifier includes at least two spaced adjacent modifying means each having at least two plane or curved surfaces of the type generated by a straight or curved line (the "generatrix"); the means so arranged relative to each other that (a) no two of the surfaces are generated by an extension of the same generatrix, (b) one of the surfaces of one means faces one of the surfaces of the adjacent means, and (c) light is able to pass both surfaces of each means and at least one of the surfaces in a direction parallel or tangent to its generatrix.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8632206 System of, and method for, indirect lighting Jan. 21, 2014
8235557 Modular customizable lampshade system Aug. 7, 2012
8201956 Task light Jun. 19, 2012
8149350 Optical element, and lighting device, display device and electronic device that use the optical element Apr. 3, 2012
8118453 Luminaire and lamellae louver therefor Feb. 21, 2012
8104921 Daylight deflection system with integrated artificial light source Jan. 31, 2012
8021031 Automotive head lamp bulb shield Sep. 20, 2011
7997762 Light-guiding modules and LED lamp using the same Aug. 16, 2011
7823580 Range hood apparatus and method Nov. 2, 2010
7766506 Light influencing element Aug. 3, 2010
7674021 Apparatus for reducing flashback produced by an anti-collision light Mar. 9, 2010
7628515 Lamp shade that is assembled easily and quickly Dec. 8, 2009
7568818 Lamp distribution modifier and luminaire having the same Aug. 4, 2009
7527395 Automotive head lamp louvre May. 5, 2009
7520643 Lighting louver system Apr. 21, 2009
7517113 Grid screen for illumination devices Apr. 14, 2009
7490961 System of, and method for, indirect lighting Feb. 17, 2009
7461955 Method and apparatus for coupling a louver member to a lighting device chassis Dec. 9, 2008
7399097 Modular filtering and reflective system for photographic use Jul. 15, 2008
7397984 Light guide screen louver device Jul. 8, 2008
7284881 LED fixing device of a pixel module and method for manufacturing the same Oct. 23, 2007
7270441 Luminaire with special ballast Sep. 18, 2007
7201496 Luminaire and lamellae louver therefor Apr. 10, 2007
7198388 Curved flexible light control grids with rigid framework Apr. 3, 2007
7108398 Luminaire and lamellae grid Sep. 19, 2006
7090379 Bi-material anti-dazzle raster for tubular light sources Aug. 15, 2006
7083303 Operating theater lamp having adjustable diaphragm Aug. 1, 2006
7055966 Illuminator and projector Jun. 6, 2006
7036960 Light louver post May. 2, 2006
6984061 Covert infrared landing light Jan. 10, 2006
6966673 Light distribution control device, blind, partition, curtain, tent and illuminator Nov. 22, 2005
6945670 Luminaire Sep. 20, 2005
6905219 Display device Jun. 14, 2005
6883946 Filtered light Apr. 26, 2005
6865023 System for collecting and displaying images to create a visual effect and methods of use Mar. 8, 2005
6860617 Compact luminaire Mar. 1, 2005
6821002 Lightbox lampshade Nov. 23, 2004
6705746 Controlled-luminance lighting device Mar. 16, 2004
6698909 Non-glaring, aesthetically pleasing lighting fixtures Mar. 2, 2004
6582098 Parabolic louver and side light seal Jun. 24, 2003
6550937 Louvered screen to control light Apr. 22, 2003
6523980 Optical element for deflecting light beams and method of production Feb. 25, 2003
6467935 Transparent pane arrangement Oct. 22, 2002
6457844 Light distributor for a lighting device and lighting device and use of a lighting device Oct. 1, 2002
6439736 Flattenable luminaire Aug. 27, 2002
6435693 Lighting assemblies for mounting in suspended ceiling configured to permit more compact shipment and storage Aug. 20, 2002
6416205 Lamp protecting device Jul. 9, 2002
6402345 Louver assembly with translucent louver baffles Jun. 11, 2002
6390650 Screenprinted uniformity filter for large area pulse solar simulator May. 21, 2002
6341877 Bollard light Jan. 29, 2002

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