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blasting (326307) 326307
fluid-pressure actuators (326307) 326307
heating (326307) 326307
hydraulics or pneumatics in general (326307) 326307
lighting (326307) 326307
mechanical engineering (326307) 326307
weapons (326307) 326307
details of fluid-pressure systems, not otherwise provided for (326305) 326305
fluid-pressure actuators, e.g. servo-motors (326305) 326305
systems acting by means of fluids in general (326305) 326305
performing operations (87303) 87303
transporting (87303) 87303
engineering elements and units (82410) 82410
general measures for producing and maintaining effectivefunctioning of machines or installations (82410) 82410
thermal insulation in general (82410) 82410
general tagging of cross-sectional technologies spanning over several sections of the ipc (41257) 41257
general tagging of new technological developments (41257) 41257
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (41257) 41257
fixed constructions (41237) 41237
actuating-floats (39821) 39821
cocks (39821) 39821
devices for venting or aerating (39821) 39821
taps (39821) 39821
valves (39821) 39821
technical subjects covered by former uspc (37757) 37757
technical subjects covered by former us classification (35439) 35439
foundations (30969) 30969
hydraulic engineering (30969) 30969
soil shifting (30969) 30969
dredging (30016) 30016
soil-shifting (30016) 30016
physics (25298) 25298
vehicles in general (23463) 23463
hauling (17243) 17243
hoisting (17243) 17243
lifting (17243) 17243
gearing (15367) 15367
positive displacement machines for liquids (15263) 15263
pumps for liquids or elastic fluids (15263) 15263
controlling (13919) 13919
regulating (13919) 13919
pumps (13207) 13207
cylinders (11467) 11467
pistons (11467) 11467
sealings (11467) 11467
arrangement of braking elements on vehicles in general (10393) 10393
brake control systems or parts thereof, in general (10393) 10393
portable devices for preventing unwanted movement ofvehicles (10393) 10393
vehicle brake control systems or parts thereof (10393) 10393
vehicle modifications to facilitate cooling of brakes (10393) 10393
measuring (9995) 9995
testing (9995) 9995
hoisting, lifting, hauling or pushing, not otherwise providedfor, e.g. devices which apply a lifting or pushing forcedirectly to the surface of a load (9675) 9675
land vehicles for travelling otherwise than on rails (9556) 9556
systems for controlling or regulating non-electric variables (9510) 9510
motor vehicles (9200) 9200
trailers (9200) 9200
electricity (8992) 8992
engine plants in general (8478) 8478
machines or engines in general (8478) 8478
steam engines (8478) 8478
brakes (8437) 8437
clutches (8437) 8437
couplings for transmitting rotation (8437) 8437
human necessities (8082) 8082
machine tools (7854) 7854
metal-working not otherwise provided for (7854) 7854
combustion engines (6762) 6762
hot-gas or combustion-product engine plants (6762) 6762
earth drilling (6687) 6687
mining (6687) 6687
hand tools (5992) 5992
manipulators (5992) 5992
portable power-driven tools (5992) 5992
joints or fittings for pipes (5703) 5703
means for thermal insulation in general (5703) 5703
pipes (5703) 5703
supports for pipes, cables or protective tubing (5703) 5703
cranes (5577) 5577
load-engaging elements or devices for cranes, capstans,winches, or tackles (5577) 5577
basic electric elements (5322) 5322
means for damping vibration (5137) 5137
shock-absorbers (5137) 5137
springs (5137) 5137
arrangement or mounting of plural diverse prime-movers invehicles (5091) 5091
arrangement or mounting of propulsion units or oftransmissions in vehicles (5091) 5091
arrangements in connection with cooling, air intake, gasexhaust or fuel supply of propulsion units, in vehicles (5091) 5091
auxiliary drives for vehicles (5091) 5091
instrumentation or dashboards for vehicles (5091) 5091
earth drilling, e.g. deep drilling (4571) 4571
obtaining oil, gas, water, soluble or meltable materials or aslurry of minerals from wells (4571) 4571
combinations or associations of metal-working machines, notdirected to a particular result (4536) 4536
details, components, or accessories for machine tools, e.g.arrangements for copying or controlling (4536) 4536
machine tools in general characterised by the construction ofparticular details or components (4536) 4536
agriculture (4475) 4475
animal husbandry (4475) 4475
fishing (4475) 4475
forestry (4475) 4475
hunting (4475) 4475
trapping (4475) 4475
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English (261413) 261413
Chinese (58203) 58203
German (55062) 55062
French (43997) 43997
Korean (7392) 7392
Japanese (6929) 6929
Russian (5444) 5444
Spanish (4139) 4139
Italian (3179) 3179
Swedish (2804) 2804
Portuguese (2119) 2119
Finnish (1308) 1308
Danish (1096) 1096
Dutch (942) 942
Norwegian (903) 903
Polish (768) 768
Romanian (378) 378
Ukrainian (225) 225
Czech (186) 186
Turkish (102) 102
Hungarian (66) 66
Slovak (49) 49
Slovenian (45) 45
Bulgarian (36) 36
Greek (25) 25
Indonesian (16) 16
Croatian (15) 15
Arabic (12) 12
Hebrew (12) 12
Latvian (9) 9
Serbian (7) 7
Estonian (6) 6
Icelandic (6) 6
Lithuanian (6) 6
Bosnian (1) 1
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