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performing operations (21) 21
physics (21) 21
transporting (21) 21
chemistry (16) 16
metallurgy (16) 16
human necessities (14) 14
measuring (14) 14
testing (14) 14
agriculture (7) 7
animal husbandry (7) 7
calculating (7) 7
computing (7) 7
counting (7) 7
fishing (7) 7
forestry (7) 7
hunting (7) 7
machine tools (7) 7
measuring electric variables (7) 7
measuring magnetic variables (7) 7
mechanical metal-working without essentially removingmaterial (7) 7
metal-working not otherwise provided for (7) 7
parts, details, or accessories of agricultural machines orimplements, in general (7) 7
punching metal (7) 7
rolling of metal (7) 7
soil working in agriculture or forestry (7) 7
trapping (7) 7
electric digital data processing (6) 6
electricity (6) 6
hygiene (5) 5
medical or veterinary science (5) 5
preparations for medical, dental, or toilet purposes (5) 5
artificial stone (4) 4
cements (4) 4
ceramics (4) 4
compositions thereof, e.g. mortars, concrete or like buildingmaterials (4) 4
concrete (4) 4
lime, magnesia (4) 4
refractories (4) 4
slag (4) 4
specific therapeutic activity of chemical compounds ormedicinal preparations (4) 4
treatment of natural stone (4) 4
apparatus therefor (3) 3
blasting (3) 3
cladding or plating by soldering or welding (3) 3
cutting by applying heat locally, e.g. flame cutting (3) 3
electrolytic or electrophoretic processes (3) 3
heating (3) 3
investigating or analysing materials by determining theirchemical or physical properties (3) 3
lighting (3) 3
mechanical engineering (3) 3
processes for the electrolytic production, recovery orrefining of metals (3) 3
soldering or unsoldering (3) 3
weapons (3) 3
welding (3) 3
working by laser beam (3) 3
adhesives (2) 2
basic electronic circuitry (2) 2
casings or constructional details of electric apparatus (2) 2
climate change mitigation technologies related to wastewatertreatment or waste management (2) 2
coffee mills (2) 2
compounds thereof (2) 2
conversion or distribution of electric power (2) 2
domestic articles or appliances (2) 2
dyes (2) 2
electric techniques not otherwise provided for (2) 2
engineering elements and units (2) 2
ferrous or non-ferrous alloys (2) 2
fixed constructions (2) 2
furniture (2) 2
general measures for producing and maintaining effectivefunctioning of machines or installations (2) 2
general tagging of cross-sectional technologies spanning over several sections of the ipc (2) 2
general tagging of new technological developments (2) 2
generation (2) 2
inorganic chemistry (2) 2
manufacture of assemblages of electrical components (2) 2
means for damping vibration (2) 2
measuring angles (2) 2
measuring areas (2) 2
measuring irregularities of surfaces or contours (2) 2
measuring length, thickness or similar lineardimensions (2) 2
measuring quantity of heat (2) 2
measuring temperature (2) 2
milling (2) 2
miscellaneous applications of materials (2) 2
miscellaneous compositions (2) 2
natural resins (2) 2
non-metallic elements (2) 2
paints (2) 2
physical or chemical processes or apparatus in general (2) 2
polishes (2) 2
postal sorting (2) 2
printed circuits (2) 2
pulse technique (2) 2
sanitary equipment not otherwise provided for (2) 2
separating solids from solids (2) 2
separation (2) 2
shock-absorbers (2) 2
sorting (2) 2
sorting individual articles, or bulk material fit to be sortedpiece-meal, e.g. by picking (2) 2
spice mills (2) 2
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