Patents-Review.com
ClassID:

155203 ⎘

F21V29/65 - CPC Classification

Classification description:

Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems; Cooling arrangements characterised by the use of a forced flow of gas, e.g. air the gas flowing in a closed circuit

Recent Application in this class:
#1
20250116397
2025-04-10

Light Fixture

 #2
20230245880
2023-08-03

LIGHT IRRADIATION DEVICE

 #3
20200284419
2020-09-10

Apparatus for heat exchange by using braided fabric woven from thermally conductive wire material

 #4
20200271301
2020-08-27

COLOR WHEEL APPARATUS

 #5
20190277487
2019-09-12

LED BULB WITH GLASS ENVELOPE

 #6
20190186698
2019-06-20

LED filament light source and lamp

 #7
20190072264
2019-03-07

Wavelength conversion device, illumination device, and projector

 #8
20180292739
2018-10-11

Light source device and image display device

 #9
20180128428
2018-05-10

Lighting device with dispenser for a reactive substance

 #10
20180106464
2018-04-19

Lighting device having locking mechanism with hook and resilient finger elements

 #11
20180088368
2018-03-29

LIQUID CRYSTAL DISPLAY DEVICE

 #12
20180080612
2018-03-22

LED lighting device having an improved LED holder

 #13
20180066835
2018-03-08

Light conversion device, light source apparatus, and projection display apparatus with improved cooling efficiency

 #14
20170191650
2017-07-06

Light irradiating device

 #15
20170184949
2017-06-29

Light source device, illumination device and projector

 #16
20170102137
2017-04-13

Display device, display system, and method thereof

 #17
20170038667
2017-02-09

Laser light source and laser projection display device

 #18
20160124292
2016-05-05

Light source device and image display device

 #19
20160069558
2016-03-10

Sealed wavelength conversion device and cooling system

 #20
20150252997
2015-09-10

Micro-channel heat sink for LED headlamp

 #21
20150159853
2015-06-11

System for actively cooling an LED filament and associated methods

 #22
20150117036
2015-04-30

Lighting device

 #23
20140268827
2014-09-18

Cooling system and LED-based light comprising same

 #24
20140239794
2014-08-28

Gas cooled LED lamp

 #25
20140177238
2014-06-26

Sealed electrical device with cooling system

 #26
20140177204
2014-06-26

Concealed vacuum air flow reflector light fixture

 #27
20140098568
2014-04-10

LED RETROFIT LAMP

 #28
20130271987
2013-10-17

Gas cooled LED lamp with heat conductive submount

 #29
20130163626
2013-06-27

Optical illuminator

 #30
20130063030
2013-03-14

Scavengers for reducing contaminants in liquid-filled LED bulbs

 #31
20130021802
2013-01-24

Sealed electrical device with cooling system and associated methods

 #32
20130014925
2013-01-17

Heat sinking methods for performance and scalability

 #33
20130003392
2013-01-03

Illuminating device

 #34
20120300475
2012-11-29

Lighting device

 #35
20120242962
2012-09-27

Light source device, apparatus for directing cooling air over the light source device, and projector

 #36
20120230035
2012-09-13

Concealed vacuum air flow reflector light fixture

 #37
20120104951
2012-05-03

System and method for reducing lamp restrike time

 #38
20120044642
2012-02-23

Cooling methodology for high brightness light emitting diodes

 #39
14468158
2016-01-19

Cooled LED lighting apparatus