• All sections
• H - Electricity
• H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; conversion of dc or ac input power into surge output power; control or regulation thereof
• H02M 5/20 - Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes without control electrode or semiconductor devices without control electrode

Patent holdings for IPC class H02M 5/20

Total number of patents in this class: 3

10-year publication summary

Principal owners for this class