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apparatus for conversion between ac and ac, between ac and dc,or between dc and dc, and for use with mains or similar powersupply systems (555851) 555851
control or regulation thereof (555851) 555851
conversion of dc or ac input power into surge outputpower (555851) 555851
conversion or distribution of electric power (555851) 555851
electricity (555851) 555851
generation (555851) 555851
general tagging of cross-sectional technologies spanning over several sections of the ipc (119654) 119654
general tagging of new technological developments (119654) 119654
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (119654) 119654
technologies or applications for mitigation or adaptation againstclimate change (103458) 103458
physics (93410) 93410
circuit arrangements or systems for supplying or distributingelectric power (77207) 77207
systems for storing electric energy (77207) 77207
climate change mitigation technologies related to buildings,e.g. housing, house appliances or related end-userapplications (66011) 66011
basic electric elements (62400) 62400
controlling (55499) 55499
regulating (55499) 55499
electric techniques not otherwise provided for (55365) 55365
basic electronic circuitry (55081) 55081
systems for regulating electric or magnetic variables (51494) 51494
control or regulation of electric motors, electric generatorsor dynamo-electric converters (46859) 46859
controlling transformers, reactors or choke coils (46859) 46859
pulse technique (43093) 43093
performing operations (37551) 37551
transporting (37551) 37551
emergency protective circuit arrangements (30217) 30217
electric heating (29967) 29967
electric lighting not otherwise provided for (29967) 29967
electric solid state devices not otherwise provided for (29773) 29773
semiconductor devices (29773) 29773
technical subjects covered by former uspc (25007) 25007
vehicles in general (24361) 24361
reduction of greenhouse gas [ghg] emissions, related to energygeneration, transmission or distribution (23215) 23215
casings or constructional details of electric apparatus (22632) 22632
manufacture of assemblages of electrical components (22632) 22632
printed circuits (22632) 22632
electric equipment or propulsion of electrically-propelledvehicles (20116) 20116
electrodynamic brake systems for vehicles, in general (20116) 20116
magnetic suspension or levitation for vehicles (20116) 20116
measuring (18507) 18507
testing (18507) 18507
technical subjects covered by former us classification (18327) 18327
inductances (16895) 16895
magnets (16895) 16895
selection of materials for their magnetic properties (16895) 16895
transformers (16895) 16895
measuring electric variables (15592) 15592
measuring magnetic variables (15592) 15592
climate change mitigation technologies related totransportation (14895) 14895
blasting (13529) 13529
heating (13529) 13529
lighting (13529) 13529
mechanical engineering (13529) 13529
weapons (13529) 13529
electric communication technique (13405) 13405
calculating (10647) 10647
computing (10647) 10647
counting (10647) 10647
electric digital data processing (9251) 9251
climate change mitigation technologies in the production orprocessing of goods (7489) 7489
technical subjects covered by former uspc cross-reference artcollections [xracs] and digests (7117) 7117
dynamo-electric machines (6919) 6919
information storage (6571) 6571
static stores (6057) 6057
amplifiers (5782) 5782
pictorial communication, e.g. television (5673) 5673
machine tools (5027) 5027
metal-working not otherwise provided for (5027) 5027
processes or means, e.g. batteries, for the direct conversionof chemical into electrical energy (4854) 4854
cladding or plating by soldering or welding (4614) 4614
cutting by applying heat locally, e.g. flame cutting (4614) 4614
soldering or unsoldering (4614) 4614
welding (4614) 4614
working by laser beam (4614) 4614
transmission (4537) 4537
advertising (4423) 4423
cryptography (4423) 4423
display (4423) 4423
education (4423) 4423
seals (4423) 4423
arrangements or circuits for control of indicating devicesusing static means to present variable information (4195) 4195
cinematography (3735) 3735
electrography (3735) 3735
holography (3735) 3735
photography (3735) 3735
human necessities (3682) 3682
control or regulating systems in general (3622) 3622
functional elements of such systems (3622) 3622
monitoring or testing arrangements for such systems orelements (3622) 3622
impedance networks, e.g. resonant circuits (3545) 3545
resonators (3545) 3545
electric switches (3542) 3542
emergency protective devices (3542) 3542
relays (3542) 3542
selectors (3542) 3542
vehicles, vehicle fittings, or vehicle parts, not otherwiseprovided for (3236) 3236
current collectors (3149) 3149
line connectors (3149) 3149
electrophotography (2918) 2918
magnetography (2918) 2918
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English (473229) 473229
Chinese (101154) 101154
French (72021) 72021
German (68735) 68735
Japanese (32040) 32040
Korean (17213) 17213
Russian (10091) 10091
Spanish (3851) 3851
Swedish (2327) 2327
Portuguese (2105) 2105
Italian (1707) 1707
Finnish (1579) 1579
Danish (931) 931
Dutch (871) 871
Polish (678) 678
Norwegian (504) 504
Ukrainian (402) 402
Romanian (377) 377
Czech (139) 139
Slovak (116) 116
Turkish (111) 111
Bulgarian (93) 93
Hungarian (88) 88
Indonesian (48) 48
Latvian (48) 48
Slovenian (44) 44
Hebrew (32) 32
Estonian (28) 28
Greek (27) 27
Croatian (23) 23
Serbian (14) 14
Icelandic (10) 10
Lithuanian (10) 10
Arabic (6) 6
Moldavian (6) 6
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