Top IPC subclasses
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1
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A23J
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5
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protein compositions for foodstuffsworking-up proteins for foodstuffsphosphatide compositions for fo
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2
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B23H
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5
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Working of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool; such working combined with other forms of working of metal
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3
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B01F
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3
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mixing, e.g. dissolving, emulsifying, dispersing
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4
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C02F
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3
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Treatment of water, waste water, sewage, or sludge
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5
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A23C
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3
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dairy products, e.g. milk, butter, cheesemilk or cheese substitutesmaking thereof
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6
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C25D
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3
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processes for the electrolytic or electrophoretic production of coatingselectroformingjoining workpi
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7
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B08B
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2
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cleaning in generalprevention of fouling in general
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8
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C21D
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2
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modifying the physical structure of ferrous metalsgeneral devices for heat treatment of ferrous or n
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9
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C25B
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2
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Electrolytic or electrophoretic processes for the production of compounds or non- metals; apparatus therefor
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10
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C23C
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2
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Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general
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11
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B01D
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1
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Separation
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12
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C01B
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1
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non-metallic elementscompounds thereof
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13
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A61N
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1
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electrotherapymagnetotherapyradiation therapyultrasound therapy
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14
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F15D
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1
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fluid dynamics, i.e. methods or means for influencing the flow of gases or liquids
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15
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C01F
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1
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compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium
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16
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B21C
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1
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manufacture of metal sheets, wire, rods, tubes or profiles, otherwise than by rollingauxiliary opera
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