Top IPC subclasses
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1
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G01R
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20
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Measuring electric variables; measuring magnetic variables
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2
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H01C
|
15
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resistors
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|
3
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H01B
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14
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cablesconductorsinsulatorsselection of materials for their conductive, insulating, or dielectric pro
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4
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G01B
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3
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measuring length, thickness, or similar linear dimensionsmeasuring anglesmeasuring areasmeasuring ir
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5
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H01F
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2
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magnetsinductancestransformersselection of materials for their magnetic properties
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6
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B65H
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1
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handling thin or filamentary material, e.g. sheets, webs, cables
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7
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G08C
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1
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transmission systems for measured values, control or similar signals
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8
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H02M
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1
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apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use wit
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9
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B21C
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1
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manufacture of metal sheets, wire, rods, tubes or profiles, otherwise than by rollingauxiliary opera
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