Top IPC subclasses
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1
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A21D
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25
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treatment, e.g. preservation, of flour or dough for baking, e.g. by addition of materialsbakingbaker
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2
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A23L
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13
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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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A23B
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9
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preserving, e.g. by canning, meat, fish, eggs, fruit, vegetables, edible seedschemical ripening of f
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4
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G02B
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7
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optical elements, systems, or apparatus
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5
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F26B
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4
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Drying solid materials or objects by removing liquid therefrom
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6
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A23N
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2
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machines or apparatus for treating harvested fruit, vegetables, or flower bulbs in bulk, not otherwi
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7
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G06G
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1
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analogue computers
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8
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H01L
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1
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Semiconductor devices; electric solid state devices not otherwise provided for
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