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Patent (52406) 52406
Journal Article (3033) 3033
Conference Proceeding (1431) 1431
Book Chapter (207) 207
Publication (40) 40
Dissertation (36) 36
Magazine Article (27) 27
Book / eBook (9) 9
Government Document (7) 7
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electricity (52365) 52365
generation (52227) 52227
conversion or distribution of electric power (52218) 52218
dynamo-electric machines (14235) 14235
circuit arrangements or systems for supplying or distributingelectric power (12931) 12931
systems for storing electric energy (12931) 12931
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 (8713) 8713
control or regulation thereof (8713) 8713
conversion of dc or ac input power into surge outputpower (8713) 8713
generation of electric power by conversion of infra-redradiation, visible light or ultraviolet light, e.g. usingphotovoltaic [pv] modules (6258) 6258
installation of electric cables or lines, or of combinedoptical and electric cables or lines (5972) 5972
physics (4765) 4765
lighting (4685) 4685
heating (4664) 4664
mechanical engineering (4659) 4659
blasting (4640) 4640
weapons (4640) 4640
transporting (4540) 4540
performing operations (4535) 4535
basic electric elements (4289) 4289
general tagging of cross-sectional technologies spanning over several sections of the ipc (3712) 3712
general tagging of new technological developments (3712) 3712
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (3712) 3712
technologies or applications for mitigation or adaptation againstclimate change (3545) 3545
boards, substations, or switching arrangements for the supplyor distribution of electric power (2800) 2800
control or regulation of electric motors, electric generatorsor dynamo-electric converters (2690) 2690
controlling transformers, reactors or choke coils (2690) 2690
science & technology (2028) 2028
vehicles in general (1881) 1881
technology (1791) 1791
testing (1735) 1735
electric machines not otherwise provided for (1702) 1702
measuring (1702) 1702
power conversion efficiency (1671) 1671
reduction of greenhouse gas [ghg] emissions, related to energygeneration, transmission or distribution (1660) 1660
power conversion (1552) 1552
semiconductor devices (1450) 1450
electric techniques not otherwise provided for (1437) 1437
electric solid state devices not otherwise provided for (1405) 1405
ranges (1384) 1384
ventilating (1384) 1384
electric equipment or propulsion of electrically-propelledvehicles (1328) 1328
electrodynamic brake systems for vehicles, in general (1328) 1328
magnetic suspension or levitation for vehicles (1328) 1328
emergency protective circuit arrangements (1092) 1092
engineering (1081) 1081
transformers (1013) 1013
controlling (984) 984
regulating (984) 984
engineering, electrical & electronic (972) 972
processes or means, e.g. batteries, for the direct conversionof chemical into electrical energy (961) 961
magnets (930) 930
inductances (927) 927
selection of materials for their magnetic properties (927) 927
solar heat collectors (927) 927
solar heat systems (927) 927
printed circuits (926) 926
casings or constructional details of electric apparatus (919) 919
manufacture of assemblages of electrical components (919) 919
fixed constructions (916) 916
machines or engines for liquids (895) 895
or a reactive propulsive thrust, not otherwise provided for (895) 895
producing mechanical power (895) 895
wind, spring weight and miscellaneous motors (895) 895
climate change mitigation technologies related totransportation (888) 888
physical sciences (849) 849
chemistry (846) 846
measuring force, stress, torque, work, mechanical power,mechanical efficiency, or fluid pressure (833) 833
counting (828) 828
calculating (826) 826
computing (826) 826
engineering elements and units (823) 823
general measures for producing and maintaining effectivefunctioning of machines or installations (823) 823
thermal insulation in general (823) 823
electric communication technique (757) 757
photovoltaic cells (738) 738
solar cells (735) 735
positive displacement machines for liquids (723) 723
pumps for liquids or elastic fluids (723) 723
human necessities (721) 721
climate change mitigation technologies related to buildings,e.g. housing, house appliances or related end-userapplications (702) 702
switches (644) 644
materials science (640) 640
energy conversion efficiency (608) 608
materials science, multidisciplinary (562) 562
measuring electric variables (562) 562
measuring magnetic variables (562) 562
energieumwandlung (561) 561
voltage (558) 558
current collectors (557) 557
line connectors (557) 557
capacitors (546) 546
climate change mitigation technologies in the production orprocessing of goods (536) 536
optics (531) 531
wind motors (518) 518
electric heating (491) 491
electric lighting not otherwise provided for (488) 488
building (467) 467
metallurgy (460) 460
electric digital data processing (459) 459
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English (52864) 52864
Chinese (46879) 46879
Japanese (5894) 5894
French (1832) 1832
Korean (7) 7
Portuguese (3) 3
Russian (2) 2
Spanish (2) 2
Czech (1) 1
Malay (1) 1
Ukrainian (1) 1
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