ClassID:

155188

F21V29/504 - 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 adaptation for cooling of specific components of refractors

Recent Application in this class:
#1
20260153233
2026-06-04

OUTGASSING FILTERING SYSTEM FOR A LUMINAIRE

#2
20250341304
2025-11-06

LIGHT ADJUSTMENT DEVICE, PHOTOGRAPHY LIGHT, AND PHOTOGRAPHY SYSTEM

#3
20210083445
2021-03-18

System and device with laser array illumination

#4
20190316768
2019-10-17

Lighting device

#5
20190208601
2019-07-04

Optical module

#6
20190207357
2019-07-04

System and device with laser array illumination

#7
20190137076
2019-05-09

LIHT BULB WITH OPTICAL ELEMENT ACTING AS A TOTAL INTERNAL REFLECTION LIGHT GUIDE

#8
20190003680
2019-01-03

LED lamp

#9
20180295700
2018-10-11

Optical module

#10
20180294885
2018-10-11

Optical module

#11
20180292620
2018-10-11

Optical module

#12
20180292619
2018-10-11

Optical module

#13
20180292078
2018-10-11

Optical module

#14
20180017232
2018-01-18

SYSTEM AND METHOD OF SNOW AND ICE REMOVAL

#15
20180003373
2018-01-04

LED luminaire tertiary optic system

#16
20170328535
2017-11-16

Vehicular lamp

#17
20170102138
2017-04-13

LED module with liquid cooled reflector

#18
20170082268
2017-03-23

System and method of snow and ice removal

#19
20160356428
2016-12-08

LED lamp

#20
20150377469
2015-12-31

Lighting device with improved thermal properties

#21
20150201476
2015-07-16

Controllable lighting system

#22
20140285775
2014-09-25

Programmable de-fogger system for a light projector

#23
20140218969
2014-08-07

Illumination device with multi-layered heat sink

#24
20130201681
2013-08-08

Lens assembly

#25
20130182429
2013-07-18

Programmable de-fogger system for a light projector

#26
20120327664
2012-12-27

Retroreflective, multi-element design for a solid state directional lamp

#27
20120287628
2012-11-15

Luminaire

#28
20120176792
2012-07-12

LED luminaire tertiary optic system

#29
20120119657
2012-05-17

Controllable lighting system

#30
20120063143
2012-03-15

Lighting device

#31
20120044678
2012-02-23

Active cooling systems for optics

#32
20110141728
2011-06-16

Lens frame with a LED support surface and heat dissipating structure

#33
20060291232
2006-12-28

Lens optics used to reduce part deformation due to heat

#34
20060291227
2006-12-28

Lens optics used to reduce part deformation due to heat

#35
20060146531
2006-07-06

Linear lighting apparatus with improved heat dissipation

#36
18651114
2024-10-01

Floodlight

#37
17829041
2023-05-30

Stage light with defogging device