Top IPC subclasses
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1
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A23L
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6
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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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2
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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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3
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A61P
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2
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Specific therapeutic activity of chemical compounds or medicinal preparations
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4
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C12M
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1
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apparatus for enzymology or microbiology
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5
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C12G
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1
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Wine; other alcoholic beverages; preparation thereof
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6
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A61K
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1
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Preparations for medical, dental, or toilet purposes
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7
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A23C
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1
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dairy products, e.g. milk, butter, cheesemilk or cheese substitutesmaking thereof
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8
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F15B
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1
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systems acting by means of fluids in generalfluid-pressure actuators, e.g. servomotorsdetails of flu
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9
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A01G
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1
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Horticulture; cultivation of vegetables, flowers, rice, fruit, vines, hops, or seaweed; forestry; watering
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10
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C04B
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1
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Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone
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