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basic electric elements (1306050) 1306050
electricity (1306050) 1306050
processes or means, e.g. batteries, for the direct conversionof chemical into electrical energy (1306050) 1306050
chemistry (229946) 229946
metallurgy (229946) 229946
general tagging of cross-sectional technologies spanning over several sections of the ipc (221340) 221340
general tagging of new technological developments (221340) 221340
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (221340) 221340
performing operations (219231) 219231
transporting (219231) 219231
technologies or applications for mitigation or adaptation againstclimate change (179868) 179868
reduction of greenhouse gas [ghg] emissions, related to energygeneration, transmission or distribution (106042) 106042
conversion or distribution of electric power (104970) 104970
generation (104970) 104970
inorganic chemistry (102662) 102662
circuit arrangements or systems for supplying or distributingelectric power (98177) 98177
systems for storing electric energy (98177) 98177
physics (80291) 80291
climate change mitigation technologies in the production orprocessing of goods (70656) 70656
compounds thereof (69813) 69813
non-metallic elements (69399) 69399
vehicles in general (68778) 68778
technical subjects covered by former uspc (61262) 61262
physical or chemical processes or apparatus in general (57501) 57501
measuring (55819) 55819
testing (55819) 55819
technical subjects covered by former us classification (53984) 53984
capacitors (53529) 53529
capacitors, rectifiers, detectors, switching devices orlight-sensitive devices, of the electrolytic type (53529) 53529
compositions based thereon (49588) 49588
organic macromolecular compounds (49588) 49588
their preparation or chemical working-up (49588) 49588
electric equipment or propulsion of electrically-propelledvehicles (49369) 49369
electrodynamic brake systems for vehicles, in general (49369) 49369
magnetic suspension or levitation for vehicles (49369) 49369
blasting (42439) 42439
heating (42439) 42439
lighting (42439) 42439
mechanical engineering (42439) 42439
weapons (42439) 42439
measuring electric variables (39279) 39279
measuring magnetic variables (39279) 39279
chemical or physical processes, e.g. catalysis or colloidchemistry (37556) 37556
their relevant apparatus (37556) 37556
climate change mitigation technologies related totransportation (34555) 34555
compounds containing metals not covered by subclassesc01d or c01f (34528) 34528
apparatus therefor (32920) 32920
cables (32002) 32002
conductors (32002) 32002
insulators (32002) 32002
selection of materials for their conductive, insulating ordielectric properties (32002) 32002
electrolytic or electrophoretic processes (31233) 31233
after-treatment not covered by subclasses c08b, c08c, c08f,c08g (25713) 25713
general processes of compounding (25713) 25713
working-up (25713) 25713
separation (23081) 23081
electrolytic or electrophoretic processes for the productionof compounds or non-metals (22863) 22863
ferrous or non-ferrous alloys (21327) 21327
treatment of alloys or non-ferrous metals (21327) 21327
nanotechnology (20888) 20888
electric solid state devices not otherwise provided for (20588) 20588
semiconductor devices (20588) 20588
arrangement or mounting of plural diverse prime-movers invehicles (20070) 20070
arrangement or mounting of propulsion units or oftransmissions in vehicles (20070) 20070
arrangements in connection with cooling, air intake, gasexhaust or fuel supply of propulsion units, in vehicles (20070) 20070
auxiliary drives for vehicles (20070) 20070
instrumentation or dashboards for vehicles (20070) 20070
compositions of macromolecular compounds (19646) 19646
manufacture or treatment of nanostructures (19444) 19444
measurement or analysis of nanostructures (19444) 19444
specific uses or applications of nanostructures (19444) 19444
indexing scheme relating to structural and physical aspects ofsolid inorganic compounds (17089) 17089
alloys (16979) 16979
layered products (16950) 16950
layered products, i.e. products built-up of strata of flat ornon-flat, e.g. cellular or honeycomb, form (16950) 16950
artificial stone (14307) 14307
cements (14307) 14307
ceramics (14307) 14307
compositions thereof, e.g. mortars, concrete or like buildingmaterials (14307) 14307
concrete (14307) 14307
lime, magnesia (14307) 14307
refractories (14307) 14307
slag (14307) 14307
treatment of natural stone (14307) 14307
macromolecular compounds obtained otherwise than by reactionsonly involving unsaturated carbon-to-carbon bonds (14283) 14283
human necessities (14144) 14144
electric techniques not otherwise provided for (13708) 13708
chemical surface treatment (13416) 13416
coating by vacuum evaporation, by sputtering, by ion implantationor by chemical vapour deposition, in general (13416) 13416
coating material with metallic material (13416) 13416
coating metallic material (13416) 13416
diffusion treatment of metallic material (13416) 13416
inhibiting corrosion of metallic material or incrustation ingeneral (13416) 13416
adhesives (13404) 13404
dyes (13404) 13404
miscellaneous applications of materials (13404) 13404
miscellaneous compositions (13404) 13404
natural resins (13404) 13404
paints (13404) 13404
polishes (13404) 13404
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English (1104434) 1104434
Chinese (265603) 265603
French (204038) 204038
German (152187) 152187
Japanese (114380) 114380
Korean (92777) 92777
Spanish (8744) 8744
Russian (6377) 6377
Portuguese (4967) 4967
Italian (2752) 2752
Danish (2625) 2625
Swedish (2471) 2471
Dutch (1501) 1501
Norwegian (1453) 1453
Polish (1417) 1417
Finnish (1290) 1290
Hungarian (386) 386
Ukrainian (361) 361
Czech (302) 302
Turkish (248) 248
Romanian (217) 217
Bulgarian (159) 159
Indonesian (148) 148
Slovenian (140) 140
Hebrew (119) 119
Greek (71) 71
Croatian (50) 50
Slovak (49) 49
Estonian (38) 38
Arabic (36) 36
Latvian (35) 35
Serbian (32) 32
Lithuanian (31) 31
Icelandic (19) 19
Bosnian (1) 1
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