Top IPC subclasses
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1
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G06K
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13
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Recognition of data; presentation of data; record carriers; handling record carriers
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2
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B41M
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1
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printing, duplicating, marking, or copying processescolour printing
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3
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G07C
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1
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time or attendance registersregistering or indicating the working of machinesgenerating random numbe
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4
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B42D
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1
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booksbook coversloose leavesprinted matter of special format or style not otherwise provided fordevi
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5
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C03C
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1
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chemical composition of glasses, glazes, or vitreous enamelssurface treatment of glasssurface treatm
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6
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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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