Top IPC subclasses
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1
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G01M
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10
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testing static or dynamic balance of machines or structurestesting structures or apparatus not other
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|
2
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G01P
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4
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measuring linear or angular speed, acceleration, deceleration, or shockindicating presence, absence,
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3
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G01L
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3
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measuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure
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4
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G01F
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2
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measuring volume, volume flow, mass flow, or liquid levelmetering by volume
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5
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F02M
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2
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supplying combustion engines in general with combustible mixtures or constituents thereof
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6
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H01M
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1
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processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical ene
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7
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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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