Top IPC subclasses
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1
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B24B
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8
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machines, devices, or processes for grinding or polishingdressing or conditioning of abrading surfac
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2
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A01C
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4
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Planting; sowing; fertilising
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3
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B23D
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4
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planingslottingshearingbroachingsawingfilingscrapinglike operations for working metal by removing ma
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4
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B06B
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2
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generating or transmitting mechanical vibrations in general
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5
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F16H
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1
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gearing
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6
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B23Q
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1
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details, components, or accessories for machine tools, e.g. arrangements for copying or controllingm
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7
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B23K
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1
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soldering or unsolderingweldingcladding or plating by soldering or weldingcutting by applying heat l
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8
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G04B
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1
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mechanically-driven clocks or watchesmechanical parts of clocks or watches in generaltime-pieces usi
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9
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B25B
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1
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tools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holdin
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10
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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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