Top IPC subclasses
1
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H02K
|
10
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dynamo-electric machines
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2
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H02M
|
3
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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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3
|
B23P
|
2
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other working of metalcombined operationsuniversal machine tools
|
4
|
B23K
|
2
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soldering or unsolderingweldingcladding or plating by soldering or weldingcutting by applying heat l
|
5
|
G01M
|
1
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testing static or dynamic balance of machines or structurestesting structures or apparatus not other
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