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Patent (12927) 12927
Journal Article (656) 656
Conference Proceeding (41) 41
Book Chapter (34) 34
Magazine Article (8) 8
Dissertation (6) 6
Publication (6) 6
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machine tools (12927) 12927
metal-working not otherwise provided for (12927) 12927
performing operations (12927) 12927
such working combined with other forms of working of metal (12927) 12927
transporting (12927) 12927
working of metal by the action of a high concentration ofelectric current on a workpiece using an electrode which takesthe place of a tool (12927) 12927
combinations or associations of metal-working machines, notdirected to a particular result (929) 929
details, components, or accessories for machine tools, e.g.arrangements for copying or controlling (929) 929
machine tools in general characterised by the construction ofparticular details or components (929) 929
chemistry (866) 866
metallurgy (741) 741
physics (712) 712
electricity (440) 440
controlling (394) 394
regulating (394) 394
control or regulating systems in general (388) 388
functional elements of such systems (388) 388
monitoring or testing arrangements for such systems orelements (388) 388
apparatus therefor (375) 375
electrolytic or electrophoretic processes (366) 366
grinding (323) 323
polishing (323) 323
basic electric elements (307) 307
lighting (296) 296
heating (295) 295
general tagging of cross-sectional technologies spanning over several sections of the ipc (293) 293
general tagging of new technological developments (293) 293
mechanical engineering (293) 293
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (293) 293
processes for the electrolytic removal of materials fromobjects (292) 292
blasting (291) 291
dressing or conditioning of abrading surfaces (291) 291
feeding of grinding, polishing, or lapping agents (291) 291
machines, devices, or processes for grinding or polishing (291) 291
weapons (291) 291
welding (270) 270
combined operations (269) 269
other working of metal (269) 269
science & technology (269) 269
universal machine tools (269) 269
cladding or plating by soldering or welding (259) 259
cutting by applying heat locally, e.g. flame cutting (259) 259
soldering or unsoldering (259) 259
working by laser beam (259) 259
electrodes (255) 255
semiconductor devices (231) 231
electric solid state devices not otherwise provided for (225) 225
chemical surface treatment (215) 215
coating by vacuum evaporation, by sputtering, by ion implantationor by chemical vapour deposition, in general (215) 215
coating material with metallic material (215) 215
coating metallic material (215) 215
diffusion treatment of metallic material (215) 215
inhibiting corrosion of metallic material or incrustation ingeneral (215) 215
physical sciences (193) 193
technical subjects covered by former uspc (186) 186
technology (177) 177
technical subjects covered by former us classification (170) 170
coating by vacuum evaporation, by sputtering, by ionimplantation or by chemical vapour deposition, in general (163) 163
surface treatment of metallic material by diffusion into thesurface, by chemical conversion or substitution (163) 163
testing (152) 152
measuring (151) 151
engine plants in general (128) 128
machines or engines in general (128) 128
steam engines (128) 128
electroforming (126) 126
materials science (124) 124
processes for the electrolytic or electrophoretic productionof coatings (123) 123
metal electrode (122) 122
non-positive displacement machines or engines, e.g. steamturbines (121) 121
mechanical metal-working without essentially removingmaterial (116) 116
punching metal (116) 116
technologies or applications for mitigation or adaptation againstclimate change (115) 115
combustion engines (112) 112
hot-gas or combustion-product engine plants (112) 112
alloys (104) 104
materials science, multidisciplinary (101) 101
ferrous or non-ferrous alloys (100) 100
metal electrodes (100) 100
physical or chemical processes or apparatus in general (100) 100
treatment of alloys or non-ferrous metals (100) 100
boring (96) 96
electrochemistry (96) 96
turning (96) 96
casting (95) 95
conversion or distribution of electric power (93) 93
generation (93) 93
powder metallurgy (91) 91
engineering elements and units (90) 90
general measures for producing and maintaining effectivefunctioning of machines or installations (90) 90
thermal insulation in general (90) 90
hand tools (89) 89
manipulators (89) 89
portable power-driven tools (89) 89
climate change mitigation technologies in the production orprocessing of goods (84) 84
air intakes for jet-propulsion plants (83) 83
controlling fuel supply in air-breathing jet-propulsion plants (83) 83
gas-turbine plants (83) 83
exact sciences and technology (82) 82
indexing schemes relating to engines or pumps in varioussubclasses of classes f01-f04 (75) 75
elektrode (73) 73
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Chinese (11104) 11104
English (10480) 10480
Japanese (2100) 2100
French (535) 535
Korean (4) 4
Russian (2) 2
German (1) 1
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