Top IPC subclasses
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1
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H03G
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2
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control of amplification
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2
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A63H
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2
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toys, e.g. tops, dolls, hoops, building blocks
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3
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H05K
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2
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printed circuitscasings or constructional details of electric apparatusmanufacture of assemblages of
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4
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A47G
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1
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household or table equipment
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5
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C08L
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1
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Compositions of macromolecular compounds
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6
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F16K
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1
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valvestapscocksactuating-floatsdevices for venting or aerating
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7
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B29C
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1
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shaping or joining of plasticsshaping of substances in a plastic state, in generalafter- treatment o
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8
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B65D
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1
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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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