Top IPC subclasses
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1
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D21H
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8
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pulp compositionspreparation thereof not covered by subclasses , impregnating or coating of papertre
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2
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A47B
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2
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tablesdesksoffice furniturecabinetsdrawersgeneral details of furniture
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3
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D21F
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1
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paper-making machinesmethods of producing paper thereon
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4
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E06B
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1
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fixed or movable closures for openings in buildings, vehicles, fences, or like enclosures, in genera
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5
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G07D
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1
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sorting, testing, changing, delivering, or otherwise handling coinstesting or changing paper currenc
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