F21S2/00	7	Systems of lighting devices, not provided for in main groups F21S4/00&#160;-&#160;F21S10/00 or F21S19/00, e.g. of modular construction	F21S2/00	F21S2/00		5668
F21S2/005	8	{of modular construction}	F21S2/00	F21S2/00		4991
F21S4/00	7	Lighting devices or systems using a string or strip of light sources	F21S4/00	F21S4/00		529
F21S4/10	8	with light sources attached to loose electric cables, e.g. Christmas tree lights	F21S4/10	F21S4/10		2686
F21S4/15	9	the cables forming a grid, net or web structure	F21S4/15	F21S4/15		161
F21S4/20	8	with light sources held by or within elongate supports	F21S4/20	F21S4/20		2473
F21S4/22	9	flexible or deformable, e.g. into a curved shape	F21S4/22	F21S4/22		728
F21S4/24	10	of ribbon or tape form, e.g. LED tapes	F21S4/24	F21S4/24		1265
F21S4/26	10	of rope form, e.g. LED lighting ropes, or of tubular form	F21S4/26	F21S4/26		476
F21S4/28	9	rigid, e.g. LED bars	F21S4/28	F21S4/28		2940
F21S6/00	7	Lighting devices intended to be free-standing (F21S9/00, F21S10/00, {F21S13/12} take precedence {lighting devices specially adapted to be transported from place to place, e.g. lighting devices carried on wheeled supports F21L; details of supports for lighting devices F21V21/00})	F21S6/00	F21S6/00		1468
F21S6/001	8	{candle-shaped}	F21S6/00	F21S6/00		1308
F21S6/002	8	{Table lamps, e.g. for ambient lighting}	F21S6/00	F21S6/00		4301
F21S6/003	9	{for task lighting, e.g. for reading or desk work, e.g. angle poise lamps}	F21S6/00	F21S6/00		2110
F21S6/004	8	{with a lamp housing in direct contact with the floor or ground}	F21S6/00	F21S6/00		472
F21S6/005	8	{with a lamp housing maintained at a distance from the floor or ground via a support, e.g. standing lamp for ambient lighting}	F21S6/00	F21S6/00		1283
F21S6/006	9	{for direct lighting only, e.g. task lighting}	F21S6/00	F21S6/00		526
F21S6/007	9	{for indirect lighting only, e.g. torchiere with reflector bowl directed towards ceiling}	F21S6/00	F21S6/00		152
F21S6/008	9	{with a combination of direct and indirect lighting}	F21S6/00	F21S6/00		129
F21S8/00	7	Lighting devices intended for fixed installation (F21S9/00, F21S10/00 take precedence; using a string or strip of light sources F21S4/00)	F21S8/00	F21S8/00		12809
F21S8/003	8	{Searchlights, i.e. outdoor lighting device producing powerful beam of parallel rays, e.g. for military or attraction purposes (searchlights mounted on a vehicle B60Q1/245)}	F21S8/00	F21S8/00		403
F21S8/006	8	{Solar simulators, e.g. for testing photovoltaic panels}	F21S8/00	F21S8/00		447
F21S8/02	8	of recess-mounted type, e.g. downlighters (specially adapted for vehicle exteriors F21S41/00-F21S45/00)	F21S8/02	F21S8/02		3496
F21S8/022	9	{intended to be recessed in a floor or like ground surface, e.g. pavement or false floor}	F21S8/02	F21S8/02		1073
F21S8/024	9	{intended to be recessed in a wall or like vertical structure, e.g. building facade}	F21S8/02	F21S8/02		500
F21S8/026	9	{intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling}	F21S8/02	F21S8/02		3599
F21S8/028	9	{being retractable, i.e. having two fixed positions, one recessed, e.g. in a wall, floor or ceiling, and one extended when in use}	F21S8/02	F21S8/02		285
F21S8/03	8	{of surface-mounted type (F21S8/02, F21S8/04 take precedence; details of wall or floor bases F21V21/02)}	F21S8/00	F21S8/03		712
F21S8/031	9	{the device consisting essentially only of a light source holder with an exposed light source, e.g. a fluorescent tube}	F21S8/00	F21S8/03		313
F21S8/032	9	{the surface being a floor or like ground surface, e.g. pavement}	F21S8/00	F21S8/03		519
F21S8/033	9	{the surface being a wall or like vertical structure, e.g. building facade}	F21S8/00	F21S8/03		2465
F21S8/035	10	{by means of plugging into a wall outlet, e.g. night light}	F21S8/00	F21S8/03		794
F21S8/036	10	{by means of a rigid support, e.g. bracket or arm}	F21S8/00	F21S8/03		699
F21S8/037	10	{for mounting in a corner, i.e. between adjacent walls or wall and ceiling}	F21S8/00	F21S8/03		239
F21S8/038	9	{intended to be mounted on a light track (suspended from a light track F21S8/066; details of supporting elements displaceable along a guiding element F21V21/34)}	F21S8/00	F21S8/03		250
F21S8/04	8	intended only for mounting on a ceiling or the like overhead structures (F21S8/02 takes precedence; {details of ceiling bases F21V21/03})	F21S8/04	F21S8/04		5616
F21S8/043	9	{mounted by means of a rigid support, e.g. bracket or arm}	F21S8/04	F21S8/04		927
F21S8/046	9	{having multiple lighting devices, e.g. connected to a common ceiling base}	F21S8/04	F21S8/04		320
F21S8/06	9	by suspension	F21S8/06	F21S8/06		2790
F21S8/061	10	{with a non-rigid pendant, i.e. a cable, wire or chain}	F21S8/06	F21S8/06		1276
F21S8/063	10	{with a rigid pendant, i.e. a pipe or rod}	F21S8/06	F21S8/06		884
F21S8/065	10	{multi-branched, e.g. a chandelier}	F21S8/06	F21S8/06		646
F21S8/066	10	{from a light track (details of supporting elements displaceable along a guiding element F21V21/34)}	F21S8/06	F21S8/06		146
F21S8/068	10	{from a stretched wire}	F21S8/06	F21S8/06		284
F21S8/08	8	with a standard {(F21S6/00 takes precedence)}	F21S8/08	F21S8/08		2175
F21S8/081	9	{of low-built type, e.g. landscape light}	F21S8/08	F21S8/08		813
F21S8/083	10	{of bollard type, i.e. with lighting fixture integrated into the standard or mounted on top of it and having substantially the same diameter}	F21S8/08	F21S8/08		365
F21S8/085	9	{of high-built type, e.g. street light}	F21S8/08	F21S8/08		3790
F21S8/086	10	{with lighting device attached sideways of the standard, e.g. for roads and highways}	F21S8/08	F21S8/08		5065
F21S8/088	10	{with lighting device mounted on top of the standard, e.g. for pedestrian zones}	F21S8/08	F21S8/08		1141
F21S9/00	7	Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply	F21S9/00	F21S9/00		383
F21S9/02	8	the power supply being a battery or accumulator	F21S9/02	F21S9/02		5768
F21S9/022	9	{Emergency lighting devices}	F21S9/02	F21S9/02		1543
F21S9/024	10	{using a supplementary light source for emergency lighting}	F21S9/02	F21S9/02		222
F21S9/026	9	{rechargeable by using wind power, e.g. using wind turbines}	F21S9/02	F21S9/02		819
F21S9/028	9	{rechargeable by using hydropower, e.g. using water powered turbines}	F21S9/02	F21S9/02		137
F21S9/03	9	rechargeable by exposure to light	F21S9/03	F21S9/03		3470
F21S9/032	10	{the solar unit being separate from the lighting unit}	F21S9/03	F21S9/03		1710
F21S9/035	10	{the solar unit being integrated within the support for the lighting unit, e.g. within or on a pole}	F21S9/03	F21S9/03		5487
F21S9/037	10	{the solar unit and the lighting unit being located within or on the same housing}	F21S9/03	F21S9/03		2381
F21S9/04	8	the power supply being a generator	F21S9/04	F21S9/04		955
F21S9/043	9	{driven by wind power, e.g. by wind turbines}	F21S9/04	F21S9/04		1035
F21S9/046	9	{driven by hydropower, e.g. by water powered turbines}	F21S9/04	F21S9/04		261
F21S10/00	7	Lighting devices or systems producing a varying lighting effect	F21S10/00	F21S10/00		1528
F21S10/002	8	{using liquids, e.g. water}	F21S10/00	F21S10/00		663
F21S10/005	8	{using light guides (light guides specially adapted for lighting devices G02B6/0001)}	F21S10/00	F21S10/00		460
F21S10/007	8	{using rotating transparent or colored disks, e.g. gobo wheels}	F21S10/00	F21S10/00		646
F21S10/02	8	changing colors {(F21S10/002&#160;-&#160;F21S10/007, F21S10/04 take precedence)}	F21S10/02	F21S10/02		1892
F21S10/023	9	{by selectively switching fixed light sources}	F21S10/02	F21S10/02		822
F21S10/026	9	{by movement of parts, e.g. by movement of reflectors or light sources (F21S10/007 takes precedence)}	F21S10/02	F21S10/02		395
F21S10/04	8	simulating flames	F21S10/04	F21S10/04		879
F21S10/043	9	{by selectively switching fixed light sources}	F21S10/04	F21S10/04		231
F21S10/046	9	{by movement of parts, e.g. by movement of reflectors or light sources}	F21S10/04	F21S10/04		427
F21S10/06	8	flashing, e.g. with rotating reflector or light source {(signalling lighting devices mounted on vehicles B60Q1/26)}	F21S10/06	F21S10/06		914
F21S10/063	9	{for providing a rotating light effect}	F21S10/06	F21S10/06		162
F21S10/066	10	{by selectively switching fixed light sources}	F21S10/06	F21S10/06		54
F21S11/00	7	Non-electric lighting devices or systems using daylight {(hybrid lighting devices combining artificial and natural light F21S19/00; roofs with sky-light opening E04D13/03; sun blinds for windows with means for redirecting light onto ceiling of a room E06B9/00; solar heat collectors F24S)}	F21S11/00	F21S11/00		1310
F21S11/002	8	{characterised by the means for collecting or concentrating the sunlight, e.g. parabolic reflectors or Fresnel lenses}	F21S11/00	F21S11/00		530
F21S11/005	9	{with tracking means for following the position of the sun}	F21S11/00	F21S11/00		265
F21S11/007	8	{characterised by the means for transmitting light into the interior of a building}	F21S11/00	F21S11/00		770
F21S13/00	7	Non-electric lighting devices or systems employing a point-like light source; Non-electric lighting devices or systems employing a light source of unspecified shape	F21S13/00	F21S13/00		1090
F21S13/02	8	Devices intended to be fixed, e.g. ceiling lamp, wall lamp	F21S13/02	F21S13/02		67
F21S13/04	9	with a pendant	F21S13/04	F21S13/04		25
F21S13/06	10	multi-branched, e.g. chandelier	F21S13/06	F21S13/06		16
F21S13/08	9	with suspension from a stretched wire	F21S13/08	F21S13/08		2
F21S13/10	9	with a standard, e.g. street lamp	F21S13/10	F21S13/10		549
F21S13/12	8	Devices intended to be free-standing, e.g. table lamp, floor lamp	F21S13/12	F21S13/12		613
F21S13/14	8	Lighting systems	F21S13/14	F21S13/14		44
F21S15/00	7	Non-electric lighting devices or systems employing light sources not covered by main groups F21S11/00, F21S13/00 or F21S19/00	F21S15/00	F21S15/00		36
F21S19/00	7	Lighting devices or systems employing combinations of electric and non-electric light sources; Replacing or exchanging electric light sources with non-electric light sources or vice versa	F21S19/00	F21S19/00		248
F21S19/005	8	{Combining sunlight and electric light sources for indoor illumination}	F21S19/00	F21S19/00		422
F21S41/00	7	Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps (reversing lights F21S43/00)	F21S41/00	F21S41/00		1660
F21S41/10	8	characterised by the light source	F21S41/10	F21S41/10		233
F21S41/12	9	characterised by the type of emitted light	F21S41/12	F21S41/12		61
F21S41/125	10	Coloured light	F21S41/125	F21S41/125		750
F21S41/13	10	Ultraviolet light; Infrared light	F21S41/13	F21S41/13		360
F21S41/135	10	Polarised	F21S41/135	F21S41/135		408
F21S41/14	9	characterised by the type of light source	F21S41/14	F21S41/14		540
F21S41/141	10	Light emitting diodes [LED]	F21S41/141	F21S41/141		2867
F21S41/143	11	the main emission direction of the LED being parallel to the optical axis of the illuminating device	F21S41/143	F21S41/143		2820
F21S41/145	12	the main emission direction of the LED being opposite to the main emission direction of the illuminating device	F21S41/145	F21S41/145		134
F21S41/147	11	the main emission direction of the LED being angled to the optical axis of the illuminating device	F21S41/147	F21S41/147		1296
F21S41/148	12	the main emission direction of the LED being perpendicular to the optical axis	F21S41/148	F21S41/148		2023
F21S41/151	11	arranged in one or more lines	F21S41/151	F21S41/151		1865
F21S41/153	12	arranged in a matrix	F21S41/153	F21S41/153		1362
F21S41/155	11	Surface emitters, e.g. organic light emitting diodes [OLED]	F21S41/155	F21S41/155		444
F21S41/16	10	Laser light sources	F21S41/16	F21S41/16		1694
F21S41/162	10	Incandescent light sources, e.g. filament or halogen lamps	F21S41/162	F21S41/162		973
F21S41/164	11	having two or more filaments	F21S41/164	F21S41/164		323
F21S41/166	11	characterised by the shape of the filament	F21S41/166	F21S41/166		85
F21S41/168	11	having a filament arranged transversally to the optical axis of the illuminating device	F21S41/168	F21S41/168		142
F21S41/17	10	Discharge light sources	F21S41/17	F21S41/17		317
F21S41/172	11	High-intensity discharge light sources	F21S41/172	F21S41/172		342
F21S41/173	11	Fluorescent light sources	F21S41/173	F21S41/173		217
F21S41/176	10	Light sources where the light is generated by photoluminescent material spaced from a primary light generating element	F21S41/176	F21S41/176		1284
F21S41/18	10	{Combination of light sources of different types or shapes}	F21S41/14	F21S41/18		330
F21S41/19	9	Attachment of light sources or lamp holders (achieving variable light distribution by movable light sources F21S41/657)	F21S41/19	F21S41/19		1733
F21S41/192	10	{Details of lamp holders, terminals or connectors}	F21S41/19	F21S41/19		1967
F21S41/194	10	{Bayonet attachments}	F21S41/19	F21S41/19		336
F21S41/196	10	{Wire spring attachments}	F21S41/19	F21S41/19		193
F21S41/198	10	{Snap-fit attachments}	F21S41/19	F21S41/19		186
F21S41/20	8	characterised by refractors, transparent cover plates, light guides or filters	F21S41/20	F21S41/20		884
F21S41/24	9	Light guides	F21S41/24	F21S41/24		2548
F21S41/25	9	Projection lenses	F21S41/25	F21S41/25		2629
F21S41/255	10	Lenses with a front view of circular or truncated circular outline	F21S41/255	F21S41/255		2176
F21S41/26	10	Elongated lenses	F21S41/26	F21S41/26		563
F21S41/265	10	Composite lenses; Lenses with a patch-like shape	F21S41/265	F21S41/265		1101
F21S41/27	10	Thick lenses	F21S41/27	F21S41/27		511
F21S41/275	10	Lens surfaces, e.g. coatings or surface structures	F21S41/275	F21S41/275		816
F21S41/28	9	{Cover glass}<br><br><u>WARNING</u><br>Group F21S41/28 is no longer used for the classification of documents as of 2024-05-01. The content of this group is being reclassified into groups F21S41/2805 and F21S43/2651.<br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S41/20	F21S41/28		2250
F21S41/2805	9	{Cover glass}<br><br><u>WARNING</u><br>Group F21S41/2805 is incomplete pending reclassification of documents from group F21S41/28. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S41/20	F21S41/2805		168
F21S41/285	9	{Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805}	F21S41/20	F21S41/285		2696
F21S41/29	9	Attachment thereof (for achieving variable light distribution F21S41/63)	F21S41/29	F21S41/29		2089
F21S41/295	10	{specially adapted to projection lenses}	F21S41/29	F21S41/29		775
F21S41/30	8	characterised by reflectors	F21S41/30	F21S41/30		947
F21S41/32	9	Optical layout thereof	F21S41/32	F21S41/32		1247
F21S41/321	10	{the reflector being a surface of revolution or a planar surface, e.g. truncated}	F21S41/32	F21S41/32		2527
F21S41/322	10	{the reflector using total internal reflection}	F21S41/32	F21S41/32		943
F21S41/323	10	{the reflector having two perpendicular cross sections having regular geometrical curves of a distinct nature}	F21S41/32	F21S41/32		396
F21S41/33	10	Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature	F21S41/33	F21S41/33		348
F21S41/331	11	{the reflector consisting of complete annular areas}	F21S41/33	F21S41/33		46
F21S41/332	12	{with continuity at the junction between adjacent areas}	F21S41/33	F21S41/33		121
F21S41/333	12	{with discontinuity at the junction between adjacent areas}	F21S41/33	F21S41/33		268
F21S41/334	11	{the reflector consisting of patch like sectors}	F21S41/33	F21S41/33		252
F21S41/335	12	{with continuity at the junction between adjacent areas}	F21S41/33	F21S41/33		286
F21S41/336	12	{with discontinuity at the junction between adjacent areas}	F21S41/33	F21S41/33		806
F21S41/337	11	{the reflector having a structured surface, e.g. with facets or corrugations}	F21S41/33	F21S41/33		382
F21S41/338	11	{the reflector having surface portions added to its general concavity}	F21S41/33	F21S41/33		318
F21S41/36	10	Combinations of two or more separate reflectors	F21S41/36	F21S41/36		1175
F21S41/365	11	successively reflecting the light	F21S41/365	F21S41/365		1710
F21S41/37	9	characterised by their material, surface treatment or coatings	F21S41/37	F21S41/37		1141
F21S41/39	9	Attachment thereof (achieving variable light distribution by movable reflectors F21S41/675)	F21S41/39	F21S41/39		1238
F21S41/40	8	characterised by screens, non-reflecting members, light-shielding members or fixed shades	F21S41/40	F21S41/40		993
F21S41/43	9	characterised by the shape thereof	F21S41/43	F21S41/43		3560
F21S41/435	10	{Hoods or cap-shaped}	F21S41/43	F21S41/43		359
F21S41/47	9	Attachment thereof (achieving variable light distribution by movable screens F21S41/683)	F21S41/47	F21S41/47		1147
F21S41/50	8	characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers	F21S41/50	F21S41/50		767
F21S41/55	9	Attachment thereof	F21S41/55	F21S41/55		861
F21S41/60	8	characterised by a variable light distribution	F21S41/60	F21S41/60		615
F21S41/62	9	for adaptation between right-hand and left-hand traffic	F21S41/62	F21S41/62		188
F21S41/63	9	by acting on refractors, filters or transparent cover plates	F21S41/63	F21S41/63		134
F21S41/635	10	{by moving refractors, filters or transparent cover plates}	F21S41/63	F21S41/63		726
F21S41/64	10	by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices	F21S41/64	F21S41/64		92
F21S41/645	11	{by electro-optic means, e.g. liquid crystal or electrochromic devices}	F21S41/64	F21S41/64		595
F21S41/65	9	by acting on light sources	F21S41/65	F21S41/65		130
F21S41/657	10	by moving light sources	F21S41/657	F21S41/657		1186
F21S41/663	10	by switching light sources (by switching incandescent light sources F21S41/162)	F21S41/663	F21S41/663		2198
F21S41/67	9	by acting on reflectors	F21S41/67	F21S41/67		105
F21S41/675	10	by moving reflectors	F21S41/675	F21S41/675		1850
F21S41/68	9	by acting on screens	F21S41/68	F21S41/68		71
F21S41/683	10	by moving screens	F21S41/683	F21S41/683		361
F21S41/686	11	Blades, i.e. screens moving in a vertical plane	F21S41/686	F21S41/686		324
F21S41/689	11	Flaps, i.e. screens pivoting around one of their edges	F21S41/689	F21S41/689		379
F21S41/692	11	Shields, i.e. screens not creating an image meant to be projected	F21S41/692	F21S41/692		363
F21S41/695	11	Screens rotating around a vertical axis (rotating flaps F21S41/689)	F21S41/695	F21S41/695		152
F21S41/698	11	Shaft-shaped screens rotating along its longitudinal axis	F21S41/698	F21S41/698		214
F21S43/00	7	Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights<br><br><u>WARNING</u><br>Group F21S43/00 is impacted by reclassification into group F21S43/601. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/00	F21S43/00		1043
F21S43/10	8	characterised by the light source	F21S43/10	F21S43/10		174
F21S43/13	9	characterised by the type of light source	F21S43/13	F21S43/13		386
F21S43/14	10	Light emitting diodes [LED]	F21S43/14	F21S43/14		6603
F21S43/145	11	Surface emitters, e.g. organic light emitting diodes [OLED]	F21S43/145	F21S43/145		519
F21S43/15	10	Strips of light sources	F21S43/15	F21S43/15		1087
F21S43/16	10	Light sources where the light is generated by photoluminescent material spaced from a primary light generating element	F21S43/16	F21S43/16		342
F21S43/19	9	Attachment of light sources or lamp holders<br><br><u>WARNING</u><br>Group F21S43/19 is impacted by reclassification into group F21S43/601. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/19	F21S43/19		1221
F21S43/195	10	{Details of lamp holders, terminals or connectors}<br><br><u>WARNING</u><br>Group F21S43/195 is impacted by reclassification into group F21S43/601. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/19	F21S43/19		1465
F21S43/20	8	characterised by refractors, transparent cover plates, light guides or filters<br><br><u>WARNING</u><br>Group F21S43/20 is impacted by reclassification into groups F21S43/281, F21S43/2811, F21S43/28131, F21S43/28133, F21S43/28135, F21S43/2815, F21S43/2817 and F21S43/601. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/20		826
F21S43/235	9	Light guides<br><br><u>WARNING</u><br>Group F21S43/235 is impacted by reclassification into groups F21S43/246, F21S43/2492, F21S43/252, F21S43/253, F21S43/281, F21S43/2811, F21S43/28131, F21S43/28133, F21S43/28135, F21S43/2815 and F21S43/2817. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/235	F21S43/235		820
F21S43/236	10	characterised by the shape of the light guide<br><br><u>WARNING</u><br>Group F21S43/236 is impacted by reclassification into groups F21S43/252, F21S43/253, F21S43/281, F21S43/2811, F21S43/28131, F21S43/28133, F21S43/28135, F21S43/2815 and F21S43/2817. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/236	F21S43/236		250
F21S43/237	11	rod-shaped<br><br><u>WARNING</u><br>Group F21S43/237 is impacted by reclassification into groups F21S43/252, F21S43/253, F21S43/281, F21S43/2811, F21S43/28131, F21S43/28133, F21S43/28135, F21S43/2815 and F21S43/2817. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/237	F21S43/237		1810
F21S43/239	11	plate-shaped<br><br><u>WARNING</u><br>Group F21S43/239 is impacted by reclassification into groups F21S43/252, F21S43/253, F21S43/281, F21S43/2811, F21S43/28131, F21S43/28133, F21S43/28135, F21S43/2815 and F21S43/2817. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/239	F21S43/239		1646
F21S43/241	11	of complex shape<br><br><u>WARNING</u><br>Group F21S43/241 is impacted by reclassification into groups F21S43/252, F21S43/253, F21S43/281, F21S43/2811, F21S43/28131, F21S43/28133, F21S43/28135, F21S43/2815 and F21S43/2817. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/241	F21S43/241		925
F21S43/242	10	characterised by the emission area<br><br><u>WARNING</u><br>Group F21S43/242 is impacted by reclassification into groups F21S43/246, F21S43/252, F21S43/253, F21S43/281, F21S43/2811, F21S43/28131, F21S43/28133, F21S43/28135, F21S43/2815 and F21S43/2817. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/242	F21S43/242		69
F21S43/243	11	emitting light from one or more of its extremities<br><br><u>WARNING</u><br>Group F21S43/243 is impacted by reclassification into groups F21S43/246, F21S43/252, F21S43/253, F21S43/281, F21S43/2811, F21S43/28131, F21S43/28133, F21S43/28135, F21S43/2815 and F21S43/2817. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/243	F21S43/243		1042
F21S43/245	11	emitting light from one or more of its major surfaces<br><br><u>WARNING</u><br>Group F21S43/245 is impacted by reclassification into groups F21S43/246, F21S43/252, F21S43/253, F21S43/281, F21S43/2811, F21S43/28131, F21S43/28133, F21S43/28135, F21S43/2815 and F21S43/2817. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/245	F21S43/245		2068
F21S43/246	11	{having two or more output branches}<br><br><u>WARNING</u><br>Group F21S43/246 is incomplete pending reclassification of documents from groups F21S43/235, F21S43/242, F21S43/243 and F21S43/245. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/242	F21S43/246		45
F21S43/247	10	with a single light source being coupled into the light guide<br><br><u>WARNING</u><br>Group F21S43/247 is impacted by reclassification into groups F21S43/252, F21S43/253, F21S43/281, F21S43/2811, F21S43/28131, F21S43/28133, F21S43/28135, F21S43/2815 and F21S43/2817. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/247	F21S43/247		1021
F21S43/249	10	with two or more light sources being coupled into the light guide<br><br><u>WARNING</u><br>Group F21S43/249 is impacted by reclassification into groups F21S43/2492, F21S43/252, F21S43/253, F21S43/281, F21S43/2811, F21S43/28131, F21S43/28133, F21S43/28135, F21S43/2815 and F21S43/2817. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/249	F21S43/249		1417
F21S43/2492	11	{having two or more input branches}<br><br><u>WARNING</u><br>Group F21S43/2492 is incomplete pending reclassification of documents from groups F21S43/235 and F21S43/249. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/249	F21S43/249		49
F21S43/251	10	the light guides being used to transmit light from remote light sources<br><br><u>WARNING</u><br>Group F21S43/251 is impacted by reclassification into groups F21S43/252, F21S43/253, F21S43/281, F21S43/2811, F21S43/28131, F21S43/28133, F21S43/28135, F21S43/2815 and F21S43/2817. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/251	F21S43/251		321
F21S43/252	10	{Two or more successive light guides}<br><br><u>WARNING</u><br>Group F21S43/252 is incomplete pending reclassification of documents from groups F21S43/235, F21S43/236, F21S43/237, F21S43/239, F21S43/241, F21S43/242, F21S43/243, F21S43/245, F21S43/247, F21S43/249 and F21S43/251. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/235	F21S43/252		49
F21S43/253	10	{Two or more juxtaposed light guides}<br><br><u>WARNING</u><br>Group F21S43/253 is incomplete pending reclassification of documents from groups F21S43/235, F21S43/236, F21S43/237, F21S43/239, F21S43/241, F21S43/242, F21S43/243, F21S43/245, F21S43/247, F21S43/249 and F21S43/251. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/235	F21S43/253		144
F21S43/255	9	{Filters}<br><br><u>WARNING</u><br>Group F21S43/255 is impacted by reclassification into groups F21S43/601, F21S43/281, F21S43/28133, F21S43/2811, F21S43/28135, F21S43/2815, F21S43/28131 and F21S43/2817. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/255		795
F21S43/26	9	{Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255}<br><br><u>WARNING</u><br>Group F21S43/26 is no longer used for the classification of documents as of 2024-05-01. The content of this group is being reclassified into groups F21S43/26221, F21S43/2605, F21S43/28133, F21S43/26211, F21S43/26261, F21S43/2641, F21S43/2651, F21S43/281, F21S43/26231, F21S43/2643, F21S43/601, F21S43/26411, F21S43/2815, F21S43/2621, F21S43/26241, F21S43/265, F21S43/26251, F21S43/26271, F21S43/28135, F21S43/2817, F21S43/2811, F21S43/26421 and F21S43/28131.<br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/26		2794
F21S43/2605	9	{Refractors}<br><br><u>WARNING</u><br>Group F21S43/2605 is incomplete pending reclassification of documents from group F21S43/26. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/2605		136
F21S43/2621	10	{characterised by the properties of the light beam shaping surface}<br><br><u>WARNING</u><br>Group F21S43/2621 is incomplete pending reclassification of documents from group F21S43/26. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/2621		27
F21S43/26211	11	{redirecting, i.e. substantially only changing light propagation direction}<br><br><u>WARNING</u><br>Group F21S43/26211 is incomplete pending reclassification of documents from group F21S43/26. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/26211		61
F21S43/26221	11	{dividing, unifying or reunifying}<br><br><u>WARNING</u><br>Group F21S43/26221 is incomplete pending reclassification of documents from group F21S43/26. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/26221		13
F21S43/26231	11	{collimating, focusing, condensing or projecting beams, e.g. projection lenses or Fresnel lenses}<br><br><u>WARNING</u><br>Group F21S43/26231 is incomplete pending reclassification of documents from group F21S43/26. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/26231		179
F21S43/26241	11	{diffusing, scattering or spreading}<br><br><u>WARNING</u><br>Group F21S43/26241 is incomplete pending reclassification of documents from group F21S43/26. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/26241		232
F21S43/26251	11	{Holograms}<br><br><u>WARNING</u><br>Group F21S43/26251 is incomplete pending reclassification of documents from group F21S43/26. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/26251		14
F21S43/26261	11	{Single refractor combining two or more properties of the groups F21S43/26211 - F21S43/26251 on opposite sides}<br><br><u>WARNING</u><br>Group F21S43/26261 is incomplete pending reclassification of documents from group F21S43/26. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/26261		26
F21S43/26271	11	{using micro-optics, e.g. micro-lenses or micro-structures}<br><br><u>WARNING</u><br>Group F21S43/26271 is incomplete pending reclassification of documents from group F21S43/26. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/26271		76
F21S43/2641	10	{Refractors or refracting portions characterised by their relative arrangement, e.g. parallel refractors}<br><br><u>WARNING</u><br>Group F21S43/2641 is incomplete pending reclassification of documents from group F21S43/26. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/2641		8
F21S43/26411	11	{Two or more successive refractors}<br><br><u>WARNING</u><br>Group F21S43/26411 is incomplete pending reclassification of documents from group F21S43/26. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/26411		195
F21S43/26421	11	{Refractors comprising a plurality of non-successive refracting portions}<br><br><u>WARNING</u><br>Group F21S43/26421 is incomplete pending reclassification of documents from group F21S43/26. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/26421		30
F21S43/2643	10	{with several light entry surfaces for two or more light sources having distinct functions, at least one of them being signalling}<br><br><u>WARNING</u><br>Group F21S43/2643 is incomplete pending reclassification of documents from group F21S43/26. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/2643		35
F21S43/265	9	{Transparent cover plates, e.g. for protecting the interior of the signalling devices against environmental influences}<br><br><u>WARNING</u><br>Group F21S43/265 is incomplete pending reclassification of documents from group F21S43/26. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/265		219
F21S43/2651	10	{with several light entry surfaces for two or more light sources having distinct functions, at least one of them being signalling}<br><br><u>WARNING</u><br>Group F21S43/2651 is incomplete pending reclassification of documents from groups F21S41/28 and F21S43/26. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/2651		14
F21S43/27	9	Attachment thereof<br><br><u>WARNING</u><br>Group F21S43/27 is impacted by reclassification into groups F21S43/2815, F21S43/28131, F21S43/2811, F21S43/601, F21S43/2817, F21S43/281, F21S43/28133 and F21S43/28135. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/27	F21S43/27		1374
F21S43/281	9	{Materials thereof; Structures thereof; Properties thereof; Coatings thereof}<br><br><u>WARNING</u><br>Group F21S43/281 is incomplete pending reclassification of documents from groups F21S43/20, F21S43/235, F21S43/236, F21S43/237, F21S43/239, F21S43/241, F21S43/242, F21S43/243, F21S43/245, F21S43/247, F21S43/249, F21S43/251, F21S43/255, F21S43/26 and F21S43/27. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/281		32
F21S43/2811	10	{Heterogeneous materials}<br><br><u>WARNING</u><br>Group F21S43/2811 is incomplete pending reclassification of documents from groups F21S43/20, F21S43/235, F21S43/236, F21S43/237, F21S43/239, F21S43/241, F21S43/242, F21S43/243, F21S43/245, F21S43/247, F21S43/249, F21S43/251, F21S43/255, F21S43/26 and F21S43/27. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/2811		44
F21S43/28131	10	{Structures comprising multiple layers}<br><br><u>WARNING</u><br>Group F21S43/28131 is incomplete pending reclassification of documents from groups F21S43/20, F21S43/235, F21S43/236, F21S43/237, F21S43/239, F21S43/241, F21S43/242, F21S43/243, F21S43/245, F21S43/247, F21S43/249, F21S43/251, F21S43/255, F21S43/26 and F21S43/27. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/28131		111
F21S43/28133	10	{Structures comprising gas or liquid media}<br><br><u>WARNING</u><br>Group F21S43/28133 is incomplete pending reclassification of documents from groups F21S43/20, F21S43/235, F21S43/236, F21S43/237, F21S43/239, F21S43/241, F21S43/242, F21S43/243, F21S43/245, F21S43/247, F21S43/249, F21S43/251, F21S43/255, F21S43/26 and F21S43/27. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/28133		10
F21S43/28135	10	{Structures encapsulating the light source}<br><br><u>WARNING</u><br>Group F21S43/28135 is incomplete pending reclassification of documents from groups F21S43/20, F21S43/235, F21S43/236, F21S43/237, F21S43/239, F21S43/241, F21S43/242, F21S43/243, F21S43/245, F21S43/247, F21S43/249, F21S43/251, F21S43/255, F21S43/26 and F21S43/27. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/28135		169
F21S43/2815	10	{Mechanical properties, e.g. flexibility}<br><br><u>WARNING</u><br>Group F21S43/2815 is incomplete pending reclassification of documents from groups F21S43/20, F21S43/235, F21S43/236, F21S43/237, F21S43/239, F21S43/241, F21S43/242, F21S43/243, F21S43/245, F21S43/247, F21S43/249, F21S43/251, F21S43/255, F21S43/26 and F21S43/27. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/2815		40
F21S43/2817	10	{Coatings, e.g. anti-reflection coatings}<br><br><u>WARNING</u><br>Group F21S43/2817 is incomplete pending reclassification of documents from groups F21S43/20, F21S43/235, F21S43/236, F21S43/237, F21S43/239, F21S43/241, F21S43/242, F21S43/243, F21S43/245, F21S43/247, F21S43/249, F21S43/251, F21S43/255, F21S43/26 and F21S43/27. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/20	F21S43/2817		53
F21S43/30	8	characterised by reflectors<br><br><u>WARNING</u><br>Group F21S43/30 is impacted by reclassification into group F21S43/601. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/30	F21S43/30		950
F21S43/31	9	Optical layout thereof<br><br><u>WARNING</u><br>Group F21S43/31 is impacted by reclassification into groups F21S43/331, F21S43/601 and F21S43/332. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/31	F21S43/31		1457
F21S43/315	10	{using total internal reflection}<br><br><u>WARNING</u><br>Group F21S43/315 is impacted by reclassification into group F21S43/402. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/31	F21S43/31		632
F21S43/33	9	characterised by their material, surface treatment or coatings<br><br><u>WARNING</u><br>Group F21S43/33 is impacted by reclassification into groups F21S43/332 and F21S43/331. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/33	F21S43/33		455
F21S43/331	10	{Semi-transparent reflectors}<br><br><u>WARNING</u><br>Group F21S43/331 is incomplete pending reclassification of documents from groups F21S43/31 and F21S43/33. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/33	F21S43/33		20
F21S43/332	10	{Diffusing reflectors}<br><br><u>WARNING</u><br>Group F21S43/332 is incomplete pending reclassification of documents from groups F21S43/31 and F21S43/33. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/33	F21S43/33		79
F21S43/37	9	Attachment thereof<br><br><u>WARNING</u><br>Group F21S43/37 is impacted by reclassification into group F21S43/601. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/37	F21S43/37		409
F21S43/40	8	characterised by the combination of reflectors and refractors<br><br><u>WARNING</u><br>Group F21S43/40 is impacted by reclassification into groups F21S43/402 and F21S43/401. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/40	F21S43/40		1462
F21S43/401	9	{the refractors and the reflectors being distinct parts}<br><br><u>WARNING</u><br>Group F21S43/401 is incomplete pending reclassification of documents from group F21S43/40. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/40	F21S43/40		128
F21S43/402	9	{Total internal reflection [TIR] collimators}<br><br><u>WARNING</u><br>Group F21S43/402 is incomplete pending reclassification of documents from groups F21S43/315 and F21S43/40. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/40	F21S43/40		58
F21S43/50	8	characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers	F21S43/50	F21S43/50		1442
F21S43/51	9	{Attachment thereof}<br><br><u>WARNING</u><br>Group F21S43/51 is impacted by reclassification into group F21S43/601. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/50	F21S43/51		583
F21S43/601	8	{characterised by variable optical properties, e.g. involving the use of LCD or movable parts}<br><br><u>WARNING</u><br>Group F21S43/601 is incomplete pending reclassification of documents from groups F21S43/00, F21S43/19, F21S43/195, F21S43/20, F21S43/255, F21S43/26, F21S43/27, F21S43/30, F21S43/31, F21S43/37 and F21S43/51. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F21S43/00	F21S43/601		171
F21S45/00	7	Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light	F21S45/00	F21S45/00		349
F21S45/10	8	Protection of lighting devices (cooling of lighting devices F21S45/40; waterproofing of lighting devices F21S45/50)	F21S45/10	F21S45/10		1459
F21S45/20	8	Promoting gas flow in lighting devices, e.g. directing flow toward the cover glass for demisting (ventilation F21S45/30; forced cooling F21S45/42)	F21S45/20	F21S45/20		143
F21S45/30	8	Ventilation or drainage of lighting devices	F21S45/30	F21S45/30		368
F21S45/33	9	specially adapted for headlamps	F21S45/33	F21S45/33		843
F21S45/37	9	specially adapted for signal lamps	F21S45/37	F21S45/37		190
F21S45/40	8	Cooling of lighting devices	F21S45/40	F21S45/40		295
F21S45/42	9	Forced cooling	F21S45/42	F21S45/42		165
F21S45/43	10	using gas	F21S45/43	F21S45/43		979
F21S45/435	11	circulating the gas within a closed system	F21S45/435	F21S45/435		173
F21S45/46	10	using liquid	F21S45/46	F21S45/46		189
F21S45/465	11	from other vehicle cooling systems, e.g. from air-conditioning or engine cooling systems	F21S45/465	F21S45/465		28
F21S45/47	9	Passive cooling, e.g. using fins, thermal conductive elements or openings	F21S45/47	F21S45/47		2758
F21S45/48	10	with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device	F21S45/48	F21S45/48		1249
F21S45/49	9	Attachment of the cooling means	F21S45/49	F21S45/49		719
F21S45/50	8	Waterproofing	F21S45/50	F21S45/50		995
F21S45/60	8	Heating of lighting devices, e.g. for demisting	F21S45/60	F21S45/60		633
F21S45/70	8	Prevention of harmful light leakage	F21S45/70	F21S45/70		261
F21S2217/00	7	Details	CPCONLY	F21S2217/00		2
F21S2217/02	8	Fastening or lifting of lamp glass	CPCONLY	F21S2217/02		3
F21S2243/00	7	Manufacturing details of signalling devices specially adapted for vehicle exteriors	CPCONLY	F21S2243/00		71
