Top IPC subclasses
1
|
H02M
|
6
|
apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use wit
|
2
|
G06F
|
2
|
electric digital data processing
|
3
|
G05F
|
2
|
systems for regulating electric or magnetic variables
|
4
|
H02J
|
2
|
circuit arrangements or systems for supplying or distributing electric powersystems for storing elec
|
5
|
H05B
|
1
|
electric heatingelectric lighting not otherwise provided for
|
6
|
A61N
|
1
|
electrotherapymagnetotherapyradiation therapyultrasound therapy
|