ClassID:

154759

F21S11/002 - CPC Classification

Classification description:

Non-electric lighting devices or systems using daylight characterised by the means for collecting or concentrating the sunlight, e.g. parabolic reflectors or Fresnel lenses

Sub-classes:
Recent Application in this class:
#1
20260029097
2026-01-29

LIGHT GUIDE AND LIGHT GUIDE ASSEMBLY

#2
20250035278
2025-01-30

MULTI-LAYER LED-ILLUMINATED LIGHT REDIRECTING STRUCTURES

#3
20240353662
2024-10-24

HARVESTING, TRANSMISSION, SPECTRAL MODIFICATION AND DELIVERY OF SUNLIGHT TO SHADED AREAS OF PLANTS

#4
20240142689
2024-05-02

Systems and related methods for collecting light transmitted through an architectural opening

#5
20240142688
2024-05-02

Systems and related methods for collecting light transmitted through an architectural opening

#6
20240110353
2024-04-04

NIGHT-VISIBLE DOCK PILING CAPS

#7
20240032481
2024-02-01

ILLUMINATION FOR HORTICULTURAL AND OTHER APPLICATIONS

#8
20230375149
2023-11-23

Method of making illumination systems employing reflective grids

#9
20230287682
2023-09-14

Skylights with integrated photovoltaics and refractive light-steering

#10
20230220967
2023-07-13

Natural light homogenization lighting device and method based on free-form surface and sawtooth grating

#11
20230213158
2023-07-06

NATURAL LIGHTING DEVICE

#12
20220341567
2022-10-27

Systems for controlling a reflector array

#13
20210388959
2021-12-16

HARVESTING, TRANSMISSION, SPECTRAL MODIFICATION AND DELIVERY OF SUNLIGHT TO SHADED AREAS OF PLANTS

#14
20210341120
2021-11-04

Optical article for illuminating building interiors employing reflective grid panel

#15
20210310634
2021-10-07

LIGHTING DEVICE

#16
20210181453
2021-06-17

MOBILE SOLAR REFRACTION DEVICE

#17
20210156151
2021-05-27

Skylights with integrated photovoltaics and refractive light-steering

#18
20210102426
2021-04-08

DAYLIGHTING DEVICE

#19
20210041072
2021-02-11

Light Collector

#20
20210010649
2021-01-14

Light ray concentrator

#21
20200378572
2020-12-03

Daylighting illumination system

#22
20200309337
2020-10-01

DAYLIGHTING DEVICE

#23
20200174237
2020-06-04

Radiation collector and method of manufacture thereof

#24
20200166697
2020-05-28

LIGHT COLLECTION AND DISTRIBUTION

#25
20200096167
2020-03-26

LIGHT-DIFFUSION MEMBER AND DAYLIGHTING DEVICE

#26
20200076362
2020-03-05

LIGHT COLLECTION AND REDIRECTION TO A SOLAR PANEL

#27
20200056754
2020-02-20

Sunlight-based sun imitating illumination

#28
20200003944
2020-01-02

Sunlight-based large area light source and large area luminaire

#29
20190293252
2019-09-26

Light collection device

#30
20190285238
2019-09-19

Daylighting panel

#31
20190285237
2019-09-19

Daylighting illumination system

#32
20190137060
2019-05-09

Harvesting, transmission, spectral modification and delivery of sunlight to shaded areas of plants

#33
20190128491
2019-05-02

Light redirecting structure

#34
20180363871
2018-12-20

Passive skylight with two parabolic reflector segments

#35
20180356059
2018-12-13

DAYLIGHTING SYSTEM, DAYLIGHTING METHOD, AND BUILDING

#36
20180329188
2018-11-15

DAYLIGHT COLLECTORS WITH THERMAL CONTROL

#37
20180288943
2018-10-11

Illumination for horticultural and other applications

#38
20180170012
2018-06-21

Daylighting device

#39
20180164561
2018-06-14

Sunlight collection system with asymmetric catadioptric optics

#40
20180142517
2018-05-24

Daylighting device and daylighting system

#41
20180135304
2018-05-17

Passive Skylight Dome Configured to Increase Light Collection At Low Sun Elevation Angles and To Reduce Light at High Sun elevation Angles

#42
20180119910
2018-05-03

Mirror For Solar-Skypipe Collector

#43
20180106443
2018-04-19

Photo-voltaic powered wireless sensor for passive optical lighting

#44
20180094786
2018-04-05

FOCUSING LENS COUPLED WITH OPTICAL FIBER AND SUNLIGHT RECEIVING DEVICES USING THESE LENSES

#45
20170356611
2017-12-14

Optical article for illuminating building interiors

#46
20170356610
2017-12-14

Light ray concentrator

#47
20170356609
2017-12-14

Skylight with two parabolic reflector segments facing two horizon directions inside a truncated pyramid dome mounted on a collimating curb with a dual-pane diffuser at the bottom

#48
20170343171
2017-11-30

Sunlight transmitter

#49
20170321856
2017-11-09

Display backlighting using ambient light

#50
20170307160
2017-10-26

Daylighting apparatus

#51
20170284103
2017-10-05

Skylight cover with advantageous topography

#52
20170138636
2017-05-18

SOLAR LENS PANEL

#53
20170115473
2017-04-27

Sunlight collection system with lightguide having solid and fluid components

#54
20170114973
2017-04-27

SOLAR POLYMER LIGHT BAR

#55
20170030540
2017-02-02

Pixel mirror-type reflection mirror for natural lighting device

#56
20170009947
2017-01-12

Daylight collectors with diffuse and direct light collection

#57
20160341383
2016-11-24

Louver assembly

#58
20160327229
2016-11-10

ILLUMINATION OF DENSE URBAN AREAS BY LIGHT REDIRECTING SINE WAVE PANELS

#59
20160327228
2016-11-10

Harvesting, transmission, spectral modification and delivery of sunlight to shaded areas of plants

#60
20160238749
2016-08-18

LIGHT CONTROL FILM

#61
20160209634
2016-07-21

Processor-controlled light-admitting heliostat

#62
20160178150
2016-06-23

Sunlight redirector with fixed mirror segments

#63
20160169465
2016-06-16

Mirror for solar-skypipe collector

#64
20160161726
2016-06-09

MULTI-SPIRAL OPTICAL DEVICE

#65
20160138771
2016-05-19

DAYLIGHT COLLECTION SYSTEMS AND METHODS

#66
20160018598
2016-01-21

Collimating And Concentrating Light Into An Optical Fiber

#67
20160010820
2016-01-14

Optical article for directing and distributing light

#68
20150378140
2015-12-31

AFOCAL OPTICAL CONCENTRATOR

#69
20150370054
2015-12-24

ELECTROMAGNETIC RADIATION SYSTEM

#70
20150354785
2015-12-10

Sunny bright solar lighting

#71
20150354770
2015-12-10

Device for positioning a member for transmitting solar energy relative to an optical concentrator

#72
20150184817
2015-07-02

Hybrid light redirecting and light diffusing constructions

#73
20150167305
2015-06-18

Skylight with sunlight pivot

#74
20150085368
2015-03-26

Optical article for directing and distributing light

#75
20150070769
2015-03-12

Solar concentrator with integrated tracking and light delivery system with summation

#76
20150062711
2015-03-05

Daylight collection systems and methods

#77
20150029737
2015-01-29

DAYLIGHT INPUT IN AIRCRAFT

#78
20150022895
2015-01-22

Light redirection device

#79
20140360578
2014-12-11

SOLAR ENERGY SYSTEM INCLUDING A LIGHTGUIDE FILM

#80
20140334007
2014-11-13

Optical Element Stacks for the Direction of Light

#81
20140320966
2014-10-30

DEVICE FOR CAPTURING, TRANSMITTING AND DIFFUSING NATURAL LIGHT INTO INTERIOR SPACES, WHICH COMPRISES A CONDUIT OF INVERTED FRUSTOPYRAMIDAL FORM AND A DIFFUSER THAT EMERGES TRANSVERSELY WITH RESPECT TO THE HORIZONTAL PLANE OF THE CEILING OF A ROOM

#82
20140247494
2014-09-04

Sunlight redirecting mirror arrays

#83
20140160556
2014-06-12

Daylight collectors with thermal control

#84
20140126242
2014-05-08

Backlight module and display apparatus

#85
20140126063
2014-05-08

Laminated optical disk

#86
20140104689
2014-04-17

Hybrid light redirecting and light diffusing constructions

#87
20140055859
2014-02-27

Optical article for illuminating building interiors with sunlight

#88
20140022640
2014-01-23

ILLUMINATION SYSTEM FOR ANECHOIC CHAMBER

#89
20130135744
2013-05-30

Daylight collection systems and methods

#90
20120243836
2012-09-27

OPTICAL TRANSMISSION APPARATUS USING PLASTIC OPTICAL FIBER

#91
20120087114
2012-04-12

Illumination device using solar energy

#92
20110299267
2011-12-08

Light capturing generator and distributor

#93
20110272002
2011-11-10

SUNLIGHT COLLECTING SYSTEM FOR ILLUMINATION

#94
20110226311
2011-09-22

Sunlight collector module having a light-guide element and a beam splitting element and a hybrid illumination system having the same

#95
20100091396
2010-04-15

Afocal optical concentrator

#96
18072109
2023-09-05

Systems and methods for improving the brightness of a transparent display using supplemental light sources that include ambient light collected by an array of diffraction gratings

#97
16163150
2020-03-03

Light collection housing

#98
15993193
2018-11-06

Light-redirecting optical daylighting system

#99
15821420
2018-07-03

Light-redirecting optical daylighting system

#100
15657384
2018-12-18

Volumetric light pipe and related methods

#101
14998351
2017-12-05

Sun/electric hybrid lighting system (SEHLS)

#102
14611546
2017-09-05

Volumetric light pipe and related methods