ClassID:

154758

F21S11/00 - CPC Classification

Classification description:

Non-electric lighting devices or systems using daylight

Sub-classes:
Recent Application in this class:
#1
20250311479
2025-10-02

Device for Converting Electromagnetic Radiation into Electricity, and Related Systems and Methods

#2
20240372025
2024-11-07

Device for converting electromagnetic radiation into electricity, and related systems and methods

#3
20240032481
2024-02-01

ILLUMINATION FOR HORTICULTURAL AND OTHER APPLICATIONS

#4
20230221482
2023-07-13

Monolithic Natural Light Homogenization Lighting Device and Method Based on Lens and Sawtooth Grating

#5
20210389508
2021-12-16

Lighting device

#6
20200378572
2020-12-03

Daylighting illumination system

#7
20200347392
2020-11-05

NEXT GENERATION OF LIGHT-EMITTING PLANT LONGER DURATION AND BRIGHTER

#8
20190293252
2019-09-26

Light collection device

#9
20190162020
2019-05-30

Daylighting device and daylighting system

#10
20190093840
2019-03-28

Daylighting sheet, daylighting panel and roll-up daylighting screen

#11
20180299088
2018-10-18

Solar shading panel for north and south sides

#12
20180288943
2018-10-11

Illumination for horticultural and other applications

#13
20180259144
2018-09-13

Daylighting structure

#14
20180231203
2018-08-16

Daylighting member, daylighting device, and installation method for daylighting member

#15
20180231202
2018-08-16

Daylighting film, die for forming daylighting film, and manufacturing method for daylighting film

#16
20180203242
2018-07-19

Lighting device

#17
20180187849
2018-07-05

Solar light systems, and related components and methods

#18
20180163938
2018-06-14

Daylighting device and daylighting system

#19
20180149324
2018-05-31

Daylight transmission system for building

#20
20180141292
2018-05-24

Method and apparatus for making reflective surfaces within optically transmissive materials

#21
20180128441
2018-05-10

Daylighting system

#22
20180124899
2018-05-03

Adaptable skylight

#23
20180119911
2018-05-03

Kinematically linked optical components for light redirection

#24
20180119486
2018-05-03

Daylighting slat and daylighting device

#25
20180036594
2018-02-08

ILLUMINATING FOOT AND HAND HOLDS

#26
20180007247
2018-01-04

MODULATING PASSIVE OPTICAL LIGHTING

#27
20170363782
2017-12-21

Multiple sunlight collection structure

#28
20170362883
2017-12-21

Daylighting device

#29
20170307789
2017-10-26

LIGHT REDIRECTING FILM CONSTRUCTIONS AND METHODS OF MAKING SAME

#30
20170146214
2017-05-25

Microstructure-based diffusers for creating batwing lighting patterns

#31
20170146207
2017-05-25

Lighting device

#32
20170130920
2017-05-11

Daylighting member, daylighting apparatus, roll screen, and blind

#33
20160273726
2016-09-22

Multimode color tunable light source and daylighting system

#34
20160273724
2016-09-22

Daylighting film

#35
20160251895
2016-09-01

Daylighting sheet, daylighting panel and roll-up daylighting screen

#36
20160223155
2016-08-04

Planar optical member and daylighting device

#37
20160209634
2016-07-21

Processor-controlled light-admitting heliostat

#38
20160186948
2016-06-30

Louvered light re-directing structure

#39
20160186488
2016-06-30

Window louver control system

#40
20160097502
2016-04-07

Daylight redirecting glazing laminates

#41
20150362726
2015-12-17

Optical distributor for room lighting

#42
20150354223
2015-12-10

Light fixture with photosensor-activated adjustable louver assembly

#43
20150276156
2015-10-01

Optical film

#44
20150184818
2015-07-02

Devices and methods for collecting daylight in clear and cloudy weather conditions

#45
20150049387
2015-02-19

Daylighting sheet, daylighting panel, roll-up daylighting screen and method of manufacturing daylighting sheet

#46
20150041624
2015-02-12

Apparatus and method for collecting and distributing radiation

#47
20140376220
2014-12-25

Microstructure-based optical diffusers for creating batwing and other lighting patterns

#48
20140320965
2014-10-30

Light redirecting fabric and method of making the same

#49
20140320024
2014-10-30

Multimode color tunable light sources

#50
20140319710
2014-10-30

Method of making light redirecting fabric

#51
20140318620
2014-10-30

Device for converting electromagnetic radiation into electricity, and related systems and methods

#52
20140314376
2014-10-23

Backlight module

#53
20140247494
2014-09-04

Sunlight redirecting mirror arrays

#54
20140160570
2014-06-12

High aspect ratio daylight collectors

#55
20140126242
2014-05-08

Backlight module and display apparatus

#56
20140117253
2014-05-01

Photoluminescent daylight panel

#57
20140111851
2014-04-24

APPARATUS MOUNTED WITH HEAT-INSULATION LIGHT-GUIDE FILM

#58
20140041796
2014-02-13

Optical element, method of manufacturing optical element, illumination device, window member, and fitting

#59
20140022640
2014-01-23

ILLUMINATION SYSTEM FOR ANECHOIC CHAMBER

#60
20130343078
2013-12-26

Multi-mode lighting apparatus

#61
20130321923
2013-12-05

Passive louver-based daylighting system

#62
20130314795
2013-11-28

Tubular daylighting system

#63
20130306135
2013-11-21

Inflatable, pressure-controlled, portable line-concentrating heliostat

#64
20130293963
2013-11-07

Color correction of daylight

#65
20130265642
2013-10-10

Daylighting fabric and method of making the same

#66
20130233384
2013-09-12

Planar solar energy concentrator

#67
20130201561
2013-08-08

Optical distributor for room lighting

#68
20130084040
2013-04-04

Opto-mechanical joint assemblies

#69
20130044458
2013-02-21

LIGHT AMPLIFICATION UNIT

#70
20130033873
2013-02-07

OPTICAL DEVICE AND ILLUMINATING DEVICE

#71
20130027949
2013-01-31

Light harvesting lens module

#72
20130002144
2013-01-03

MULTIMODE COLOR TUNABLE LIGHT SOURCE AND DAYLIGHTING SYSTEM

#73
20120320560
2012-12-20

System for combining exterior lighting and artificial lighting

#74
20120314443
2012-12-13

Light Emitting and Power Storage Fixture

#75
20120306381
2012-12-06

Multimode color tunable light source

#76
20120306380
2012-12-06

MULTIMODE COLOR TUNABLE LIGHT SOURCE AND DAYLIGHTING SYSTEM

#77
20120255246
2012-10-11

Sunlight collection system and apparatus

#78
20120243252
2012-09-27

Solar lighting apparatus with hybrid solar light diffuser having diffusion-refraction and diffusion-reflection functions

#79
20120243236
2012-09-27

Indirect daylighting device

#80
20120230020
2012-09-13

Daylighting devices with auxiliary lighting system and light turning features

#81
20120176778
2012-07-12

Modular lighting system

#82
20120134170
2012-05-31

Tubular skylight

#83
20120126098
2012-05-24

Light guiding device

#84
20120120496
2012-05-17

Passive louver-based daylighting system

#85
20120091897
2012-04-19

Natural lighting apparatus and hybrid illumination system using same

#86
20120042868
2012-02-23

Solar tracking skylight system for illumination

#87
20120033302
2012-02-09

Optical element, method of manufacturing optical element, illumination device, window member, and fitting

#88
20120033301
2012-02-09

Stationary sunlight redirecting element and system

#89
20120019942
2012-01-26

Light-Guide Solar Panel and Method of Fabrication Thereof

#90
20110310633
2011-12-22

ILLUMINATION DEVICE

#91
20110266971
2011-11-03

Skylight LED lighting system

#92
20110265398
2011-11-03

Indirect Natural Light Skylight

#93
20110255168
2011-10-20

Grating comprising sub-gratings with light-diffusing patterns

#94
20110242810
2011-10-06

Lamp and lighting system and device using natural and artificial light

#95
20110228520
2011-09-22

Renewable energy powered light assembly

#96
20110214665
2011-09-08

Tracking fiber optic wafer concentrator

#97
20110211250
2011-09-01

System in space for reinforcing photosynthesis and method

#98
20110173903
2011-07-21

Light control process, light control system and building

#99
20110162713
2011-07-07

Light-guide solar panel and method of fabrication thereof

#100
20110162304
2011-07-07

Skylight tube with reflective structured surface

#101
20110149401
2011-06-23

Skylight collimator with multiple stages

#102
20110103088
2011-05-05

Multi-mode lighting apparatus

#103
20110079267
2011-04-07

LENS SYSTEM WITH DIRECTIONAL RAY SPLITTER FOR CONCENTRATING SOLAR ENERGY

#104
20110067687
2011-03-24

Tracking fiber optic wafer concentrator

#105
20110044061
2011-02-24

Light Control Devices Implemented With Diffusers Having Controllable Diffusion Characteristics

#106
20110044041
2011-02-24

Daylighting devices and methods with auxiliary lighting fixtures

#107
20110017199
2011-01-27

Apparatus and method for collecting and distributing radiation

#108
20100325979
2010-12-30

Skylight cover with prismatic dome and cylinder portions

#109
20100309556
2010-12-09

Skylight collimator with multiple stages

#110
20100296081
2010-11-25

Indoor light balancing

#111
20100254011
2010-10-07

Reflective light shelf, system and method

#112
20100246041
2010-09-30

Natural Lighting System With Sequential Scanning Process

#113
20100243054
2010-09-30

Condensing system of solar light for natural lighting

#114
20100202142
2010-08-12

Illumination device

#115
20100166365
2010-07-01

APPARATUS FOR COLLECTION AND TRASMISSION OF LIGHT

#116
20100092784
2010-04-15

OPTICAL FILM, AND GLASS

#117
20100091396
2010-04-15

Afocal optical concentrator

#118
20100067228
2010-03-18

Daylight deflection system with integrated artificial light source

#119
20100067114
2010-03-18

Direct beam solar light system

#120
20100053785
2010-03-04

Light reflecting plate and method of manufacturing the same, and light reflecting device

#121
20100039799
2010-02-18

COMBINED DAYLIGHT ELECTRIC LIGHT FIXTURE FOR BUILDINGS USING ELECTROCHROMIC AND MECHANICAL METHODS

#122
20100014310
2010-01-21

Modular lighting system

#123
20100014291
2010-01-21

Lighting device

#124
20100014173
2010-01-21

Modular lighting system

#125
20090302739
2009-12-10

Light amplification unit

#126
20090302240
2009-12-10

Solar photon filter

#127
20090262427
2009-10-22

Light-concentrating panel

#128
20090213616
2009-08-27

CO-FUNCTIONAL MULTI-LIGHT SOURCE LUMENAIRES AND COMPONENTS THEREOF

#129
20090211624
2009-08-27

Solar powered spa and hot tub down light sconce

#130
20090195895
2009-08-06

Light collecting device

#131
20090147523
2009-06-11

Versatile light system

#132
20090113824
2009-05-07

Skylight tube with reflective film and surface irregularities

#133
20090085497
2009-04-02

Skylight LED lighting system

#134
20090084431
2009-04-02

Solar tracking reflector system for structure lighting

#135
20090050324
2009-02-26

SYSTEM AND METHOD OF IN-SITU SHALE OIL RECOVERY UTILIZING AN INTENSE DOWN-HOLE SOLAR BEAM

#136
20090021934
2009-01-22

OPTICAL ILLUMINATING SYSTEM

#137
20090014053
2009-01-15

Process for the energy conversion of solar radiation into electric power and heat with colour-selective interference filter reflectors and a concentrator solar collector with colour-selective reflectors as an appliance for applying this process

#138
20090009870
2009-01-08

DAYLIGHTING FILM AND WINDOW EQUIPPED THEREWITH

#139
20080310147
2008-12-18

Hybrid lighting system

#140
20080271776
2008-11-06

Light-guide solar panel and method of fabrication thereof

#141
20080266664
2008-10-30

Liquid light pipe with an aplanatic imaging system and coupled non-imaging light concentrator

#142
20080219010
2008-09-11

Light distribution control method, light distribution control device, and greenhouse using the same

#143
20080207108
2008-08-28

Roof light system having a ventilation device with improved flexibility

#144
20080092877
2008-04-24

Solar concentrator system

#145
20080087276
2008-04-17

Solar collecting and utilizing device

#146
20080030859
2008-02-07

DAYLIGHTING FILM, METHOD FOR PRODUCING THE SAME AND WINDOW EQUIPPED THEREWITH

#147
20070297058
2007-12-27

Solar tracking reflector system for structure lighting

#148
20070268585
2007-11-22

Light control devices implemented with diffusers having controllable diffusion characteristics

#149
20070266652
2007-11-22

Skylight tube with reflective structured surface

#150
20070230209
2007-10-04

Light transmitting building material and method for producing the same

#151
20070183053
2007-08-09

Light absorbing elements

#152
20070074468
2007-04-05

Tubular skylight dome with variable prism

#153
20070035841
2007-02-15

Direct beam solar lighting system

#154
20060288645
2006-12-28

Method and apparatus for selective solar control

#155
20060264167
2006-11-23

Ventilation/illumination duct, ventilation/illumination system using the ventilation/illumination duct, and control method for the ventilation/illumination system

#156
20060263032
2006-11-23

Combined illumination and ventilation duct

#157
20060191214
2006-08-31

Skylight tube with reflective film and surface irregularities

#158
20060104082
2006-05-18

Light collector

#159
20060104081
2006-05-18

Lighting system

#160
20060087840
2006-04-27

Hybrid lighting system

#161
20060016448
2006-01-26

Apparatus and method for collecting energy

#162
20060013001
2006-01-19

Reflectors for condensed light beam distribution

#163
20060007549
2006-01-12

Integrated artificial and natural lighting system

#164
20050254130
2005-11-17

Device for guiding light

#165
20050243430
2005-11-03

Apparatus for controlled transmittance of solar radiation

#166
20050224074
2005-10-13

Day lighting device

#167
20050220680
2005-10-06

Light-pipe system for lighting, ventilation and photocatalytic air purification

#168
20050180706
2005-08-18

Method for increasing daylight display brightness for helmet mounted displays

#169
20050146880
2005-07-07

Light deflector and rear-projection screen

#170
20050128728
2005-06-16

Light tube system for distributing sunlight or artificial light singly or in combination

#171
20050123354
2005-06-09

Method for improving the environment within soil embedded culvert and bridge systems

#172
20050115172
2005-06-02

Light directing duct

#173
20050103329
2005-05-19

Inflatable multi-function parabolic reflector apparatus and methods of manufacture

#174
20050083593
2005-04-21

Prism curtains

#175
20050073756
2005-04-07

Light collimator, method, and manufacturing method

#176
20050041431
2005-02-24

Directed reflection light collecting device with planar reflectors

#177
15882453
2019-08-06

Method and system for collecting and distributing radiation

#178
14831259
2018-01-02

Kinematically linked optical components for light redirection