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blasting (106002) 106002
heating (106002) 106002
lighting (106002) 106002
mechanical engineering (106002) 106002
weapons (106002) 106002
light sources not otherwise provided for (105974) 105974
light sources using charges of combustible material (105974) 105974
light sources using electrochemiluminescence (105974) 105974
light sources using semiconductor devices as light-generatingelements (105974) 105974
non-electric light sources using luminescence (105974) 105974
functional features or details of lighting devices or systemsthereof (82749) 82749
structural combinations of lighting devices with otherarticles, not otherwise provided for (82749) 82749
indexing scheme associated with subclasses f21k, f21l, f21sand f21v, relating to theform or the kind of the light sources or of the colour of thelight emitted (78483) 78483
electricity (38306) 38306
non-portable lighting devices (29956) 29956
systems thereof (29956) 29956
vehicle lighting devices specially adapted for vehicleexteriors (29956) 29956
basic electric elements (27995) 27995
electric solid state devices not otherwise provided for (22480) 22480
semiconductor devices (22480) 22480
physics (18822) 18822
electric techniques not otherwise provided for (15631) 15631
optics (12162) 12162
general tagging of cross-sectional technologies spanning over several sections of the ipc (10864) 10864
general tagging of new technological developments (10864) 10864
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (10864) 10864
electric heating (10177) 10177
electric lighting not otherwise provided for (10177) 10177
optical elements, systems, or apparatus (10013) 10013
indexing scheme associated with subclasses f21k, f21l, f21sand f21v, relating to usesor applications of lighting devices or systems (9167) 9167
technical subjects covered by former uspc (6627) 6627
performing operations (6511) 6511
transporting (6511) 6511
casings or constructional details of electric apparatus (5830) 5830
manufacture of assemblages of electrical components (5830) 5830
printed circuits (5830) 5830
chemistry (5262) 5262
metallurgy (5262) 5262
technologies or applications for mitigation or adaptation againstclimate change (4596) 4596
human necessities (4256) 4256
adhesives (4145) 4145
dyes (4145) 4145
miscellaneous applications of materials (4145) 4145
miscellaneous compositions (4145) 4145
natural resins (4145) 4145
paints (4145) 4145
polishes (4145) 4145
technical subjects covered by former uspc cross-reference artcollections [xracs] and digests (3950) 3950
materials for miscellaneous applications, not provided forelsewhere (3816) 3816
devices or arrangements, the optical operation of which ismodified by changing the optical properties of the medium of thedevices or arrangements for the control of the intensity,colour, phase, polarisation or direction of light, e.g.switching, gating, modulating or demodulating (3527) 3527
frequency-changing (3527) 3527
non-linear optics (3527) 3527
optical analogue/digital converters (3527) 3527
optical logic elements (3527) 3527
techniques or procedures for the operation thereof (3527) 3527
climate change mitigation technologies related to buildings,e.g. housing, house appliances or related end-userapplications (3326) 3326
cinematography (3212) 3212
electrography (3212) 3212
holography (3212) 3212
photography (3212) 3212
advertising (3167) 3167
cryptography (3167) 3167
display (3167) 3167
education (3167) 3167
seals (3167) 3167
accessories therefor (3057) 3057
apparatus or arrangements employing analogous techniques usingwaves other than optical waves (3029) 3029
apparatus or arrangements for taking photographs or forprojecting or viewing them (3029) 3029
technical subjects covered by former us classification (2863) 2863
displaying (2776) 2776
labels or name-plates (2776) 2776
signs (2776) 2776
electric discharge tubes or discharge lamps (2539) 2539
current collectors (2531) 2531
line connectors (2531) 2531
vehicles in general (2442) 2442
arrangement of signalling or lighting devices, the mounting orsupporting thereof or circuits therefor, for vehicles ingeneral (2350) 2350
electric communication technique (1807) 1807
hygiene (1784) 1784
medical or veterinary science (1784) 1784
measuring (1566) 1566
testing (1566) 1566
lighting devices or systems thereof, being portable orspecially adapted for transportation (1556) 1556
devices using stimulated emission (1403) 1403
agriculture (1322) 1322
animal husbandry (1322) 1322
fishing (1322) 1322
forestry (1322) 1322
hunting (1322) 1322
trapping (1322) 1322
pictorial communication, e.g. television (1277) 1277
signalling (1033) 1033
fixed constructions (828) 828
climate change mitigation technologies in the production orprocessing of goods (784) 784
working of plastics (782) 782
working of substances in a plastic state, in general (782) 782
layered products (706) 706
layered products, i.e. products built-up of strata of flat ornon-flat, e.g. cellular or honeycomb, form (706) 706
cultivation of vegetables, flowers, rice, fruit, vines, hopsor seaweed (680) 680
horticulture (680) 680
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English (92166) 92166
Chinese (36885) 36885
French (17707) 17707
German (13951) 13951
Korean (8628) 8628
Japanese (4112) 4112
Russian (826) 826
Spanish (822) 822
Italian (478) 478
Portuguese (421) 421
Dutch (149) 149
Swedish (117) 117
Danish (115) 115
Polish (103) 103
Finnish (102) 102
Norwegian (42) 42
Czech (39) 39
Turkish (28) 28
Hungarian (25) 25
Ukrainian (25) 25
Greek (10) 10
Slovenian (7) 7
Hebrew (6) 6
Slovak (6) 6
Croatian (5) 5
Bulgarian (4) 4
Romanian (4) 4
Serbian (4) 4
Indonesian (2) 2
Arabic (1) 1
Estonian (1) 1
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