Top IPC subclasses
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1
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F26B
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10
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Drying solid materials or objects by removing liquid therefrom
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2
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A23L
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5
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Foods, foodstuffs, or non-alcoholic beverages, not covered by subclasses A21D or A23B-A23J; their preparation or treatment, e.g. cooking, modification of nutritive qualities, physical treatment; preservation of foods or foodstuffs, in general
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3
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B65D
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5
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Containers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers; accessories, closures, or fittings therefor; packaging elements; packages
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4
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B01D
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2
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Separation
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5
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H05B
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2
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electric heatingelectric lighting not otherwise provided for
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6
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A23C
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2
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dairy products, e.g. milk, butter, cheesemilk or cheese substitutesmaking thereof
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7
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F25B
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2
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refrigeration machines, plants, or systemscombined heating and refrigeration systemsheat pump system
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8
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A23B
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2
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preserving, e.g. by canning, meat, fish, eggs, fruit, vegetables, edible seedschemical ripening of f
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9
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A21B
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1
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bakers' ovensmachines or equipment for baking
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10
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C23C
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1
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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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