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blasting (106012) 106012
heating (106012) 106012
lighting (106012) 106012
mechanical engineering (106012) 106012
weapons (106012) 106012
light sources not otherwise provided for (105984) 105984
light sources using charges of combustible material (105984) 105984
light sources using electrochemiluminescence (105984) 105984
light sources using semiconductor devices as light-generatingelements (105984) 105984
non-electric light sources using luminescence (105984) 105984
functional features or details of lighting devices or systemsthereof (82757) 82757
structural combinations of lighting devices with otherarticles, not otherwise provided for (82757) 82757
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 (78491) 78491
electricity (38313) 38313
non-portable lighting devices (29951) 29951
systems thereof (29951) 29951
vehicle lighting devices specially adapted for vehicleexteriors (29951) 29951
basic electric elements (28006) 28006
electric solid state devices not otherwise provided for (22488) 22488
semiconductor devices (22488) 22488
physics (18827) 18827
electric techniques not otherwise provided for (15631) 15631
optics (12172) 12172
general tagging of cross-sectional technologies spanning over several sections of the ipc (10862) 10862
general tagging of new technological developments (10862) 10862
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (10862) 10862
electric heating (10172) 10172
electric lighting not otherwise provided for (10172) 10172
optical elements, systems, or apparatus (10021) 10021
indexing scheme associated with subclasses f21k, f21l, f21sand f21v, relating to usesor applications of lighting devices or systems (9164) 9164
technical subjects covered by former uspc (6626) 6626
performing operations (6509) 6509
transporting (6509) 6509
casings or constructional details of electric apparatus (5835) 5835
manufacture of assemblages of electrical components (5835) 5835
printed circuits (5835) 5835
chemistry (5263) 5263
metallurgy (5263) 5263
technologies or applications for mitigation or adaptation againstclimate change (4595) 4595
human necessities (4252) 4252
adhesives (4146) 4146
dyes (4146) 4146
miscellaneous applications of materials (4146) 4146
miscellaneous compositions (4146) 4146
natural resins (4146) 4146
paints (4146) 4146
polishes (4146) 4146
technical subjects covered by former uspc cross-reference artcollections [xracs] and digests (3951) 3951
materials for miscellaneous applications, not provided forelsewhere (3817) 3817
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 (3530) 3530
frequency-changing (3530) 3530
non-linear optics (3530) 3530
optical analogue/digital converters (3530) 3530
optical logic elements (3530) 3530
techniques or procedures for the operation thereof (3530) 3530
climate change mitigation technologies related to buildings,e.g. housing, house appliances or related end-userapplications (3326) 3326
cinematography (3211) 3211
electrography (3211) 3211
holography (3211) 3211
photography (3211) 3211
advertising (3164) 3164
cryptography (3164) 3164
display (3164) 3164
education (3164) 3164
seals (3164) 3164
accessories therefor (3056) 3056
apparatus or arrangements employing analogous techniques usingwaves other than optical waves (3028) 3028
apparatus or arrangements for taking photographs or forprojecting or viewing them (3028) 3028
technical subjects covered by former us classification (2862) 2862
displaying (2772) 2772
labels or name-plates (2772) 2772
signs (2772) 2772
electric discharge tubes or discharge lamps (2542) 2542
current collectors (2529) 2529
line connectors (2529) 2529
vehicles in general (2441) 2441
arrangement of signalling or lighting devices, the mounting orsupporting thereof or circuits therefor, for vehicles ingeneral (2349) 2349
electric communication technique (1808) 1808
hygiene (1784) 1784
medical or veterinary science (1784) 1784
measuring (1567) 1567
testing (1567) 1567
lighting devices or systems thereof, being portable orspecially adapted for transportation (1557) 1557
devices using stimulated emission (1403) 1403
agriculture (1318) 1318
animal husbandry (1318) 1318
fishing (1318) 1318
forestry (1318) 1318
hunting (1318) 1318
trapping (1318) 1318
pictorial communication, e.g. television (1279) 1279
signalling (1033) 1033
fixed constructions (827) 827
climate change mitigation technologies in the production orprocessing of goods (783) 783
working of plastics (782) 782
working of substances in a plastic state, in general (782) 782
layered products (705) 705
layered products, i.e. products built-up of strata of flat ornon-flat, e.g. cellular or honeycomb, form (705) 705
cultivation of vegetables, flowers, rice, fruit, vines, hopsor seaweed (678) 678
horticulture (678) 678
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English (92175) 92175
Chinese (36889) 36889
French (17710) 17710
German (13949) 13949
Korean (8634) 8634
Japanese (4110) 4110
Russian (822) 822
Spanish (821) 821
Italian (479) 479
Portuguese (421) 421
Dutch (149) 149
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Hungarian (25) 25
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