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electricity (434697) 434697
conversion or distribution of electric power (432912) 432912
generation (432912) 432912
control or regulation of electric motors, electric generatorsor dynamo-electric converters (431996) 431996
controlling transformers, reactors or choke coils (431996) 431996
performing operations (78528) 78528
transporting (78528) 78528
physics (72985) 72985
blasting (47509) 47509
heating (47509) 47509
lighting (47509) 47509
mechanical engineering (47509) 47509
weapons (47509) 47509
dynamo-electric machines (46157) 46157
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 (45939) 45939
control or regulation thereof (45939) 45939
conversion of dc or ac input power into surge outputpower (45939) 45939
vehicles in general (41555) 41555
general tagging of cross-sectional technologies spanning over several sections of the ipc (39313) 39313
general tagging of new technological developments (39313) 39313
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (39313) 39313
controlling (36413) 36413
regulating (36413) 36413
technologies or applications for mitigation or adaptation againstclimate change (30096) 30096
electric equipment or propulsion of electrically-propelledvehicles (29586) 29586
electrodynamic brake systems for vehicles, in general (29586) 29586
magnetic suspension or levitation for vehicles (29586) 29586
circuit arrangements or systems for supplying or distributingelectric power (25375) 25375
systems for storing electric energy (25375) 25375
measuring (21513) 21513
testing (21513) 21513
emergency protective circuit arrangements (20378) 20378
control or regulating systems in general (19557) 19557
functional elements of such systems (19557) 19557
monitoring or testing arrangements for such systems orelements (19557) 19557
climate change mitigation technologies related totransportation (18121) 18121
basic electric elements (17000) 17000
systems for controlling or regulating non-electric variables (13837) 13837
combustion engines (12944) 12944
hot-gas or combustion-product engine plants (12944) 12944
measuring electric variables (10633) 10633
measuring magnetic variables (10633) 10633
technical subjects covered by former uspc (10623) 10623
positive displacement machines for liquids (10198) 10198
pumps for liquids or elastic fluids (10198) 10198
machines or engines for liquids (9800) 9800
or a reactive propulsive thrust, not otherwise provided for (9800) 9800
producing mechanical power (9800) 9800
wind, spring weight and miscellaneous motors (9800) 9800
land vehicles for travelling otherwise than on rails (9277) 9277
engineering elements and units (8547) 8547
general measures for producing and maintaining effectivefunctioning of machines or installations (8547) 8547
thermal insulation in general (8547) 8547
basic electronic circuitry (8429) 8429
motor vehicles (8378) 8378
trailers (8378) 8378
information storage (8057) 8057
information storage based on relative movement between recordcarrier and transducer (7946) 7946
human necessities (7923) 7923
technical subjects covered by former uspc cross-reference artcollections [xracs] and digests (7850) 7850
fixed constructions (7539) 7539
hauling (7531) 7531
hoisting (7531) 7531
lifting (7531) 7531
systems for regulating electric or magnetic variables (7264) 7264
wind motors (7263) 7263
controlling combustion engines (6779) 6779
reduction of greenhouse gas [ghg] emissions, related to energygeneration, transmission or distribution (6688) 6688
arrangement or mounting of plural diverse prime-movers invehicles (6186) 6186
arrangement or mounting of propulsion units or oftransmissions in vehicles (6186) 6186
arrangements in connection with cooling, air intake, gasexhaust or fuel supply of propulsion units, in vehicles (6186) 6186
auxiliary drives for vehicles (6186) 6186
instrumentation or dashboards for vehicles (6186) 6186
pulse technique (6018) 6018
inductances (5827) 5827
magnets (5827) 5827
selection of materials for their magnetic properties (5827) 5827
transformers (5827) 5827
pumps (5717) 5717
textiles (5635) 5635
conjoint control of vehicle sub-units of different type ordifferent function (5320) 5320
control systems specially adapted for hybrid vehicles (5320) 5320
road vehicle drive control systems for purposes not related tothe control of a particular sub-unit (5320) 5320
elevators (5180) 5180
escalators or moving walkways (5180) 5180
electric switches (5030) 5030
emergency protective devices (5030) 5030
relays (5030) 5030
selectors (5030) 5030
electric techniques not otherwise provided for (4864) 4864
non-positive displacement pumps (4795) 4795
electric communication technique (4791) 4791
calculating (4696) 4696
computing (4696) 4696
counting (4696) 4696
engine plants in general (4579) 4579
machines or engines in general (4579) 4579
steam engines (4579) 4579
conveying (4407) 4407
handling thin or filamentary material (4407) 4407
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English (365346) 365346
German (59029) 59029
French (55564) 55564
Chinese (54902) 54902
Japanese (20683) 20683
Korean (12084) 12084
Russian (7357) 7357
Spanish (4172) 4172
Portuguese (2429) 2429
Italian (1977) 1977
Swedish (1689) 1689
Finnish (1199) 1199
Danish (938) 938
Dutch (748) 748
Polish (593) 593
Norwegian (465) 465
Romanian (369) 369
Ukrainian (292) 292
Czech (157) 157
Turkish (131) 131
Bulgarian (109) 109
Hungarian (68) 68
Slovak (51) 51
Greek (42) 42
Slovenian (42) 42
Latvian (30) 30
Indonesian (28) 28
Croatian (22) 22
Serbian (20) 20
Hebrew (16) 16
Lithuanian (12) 12
Estonian (6) 6
Icelandic (5) 5
Arabic (4) 4
more...
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