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CPC Main Group Additional Only
H02P 2201/00

Indexing scheme relating to controlling arrangements characterised by the converter used

Filing statistics

CPC H02P 2201/00 belongs to the parent subclass H02P, which recorded 107,088 patent applications worldwide between 2013 and 2023. Annual filings grew from 6,554 in 2013 to 9,861 in 2023 (+50%), peaking at 11,737 applications in 2018. The most active applicants in class H02 are SGCC(STATE GRID CORPORATION OF CHINA) (24,515 applications), MITSUBISHI ELECTRIC CORPORATION (11,346 applications) and SIEMENS (9,026 applications).

Source: EPO PATSTAT, worldwide filings

8 direct subcodes

Child Classifications

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  • H02P 2201/01 AC-AC converter stage controlled to provide a defined AC voltage
  • H02P 2201/03 AC-DC converter stage controlled to provide a defined DC link voltage
  • H02P 2201/05 Capacitive half bridge, i.e. resonant inverter having two capacitors and two switches
  • H02P 2201/07 DC-DC step-up or step-down converter inserted between the power supply and the inverter supplying the motor, e.g. to control voltage source fluctuations, to vary the motor speed
  • H02P 2201/09 Boost converter, i.e. DC-DC step up converter increasing the voltage between the supply and the inverter driving the motor
  • H02P 2201/11 Buck converter, i.e. DC-DC step down converter decreasing the voltage between the supply and the inverter driving the motor
  • H02P 2201/13 DC-link of current link type, e.g. typically for thyristor bridges, having an inductor in series with rectifier
  • H02P 2201/15 Power factor correction [PFC] circuit generating the DC link voltage for motor driving inverter

Top Applicants

Top 10 applicants by patent filingsfor class H02, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 24,515
  2. MITSUBISHI ELECTRIC CORPORATION JP 11,346
  3. SIEMENS DE 9,026
  4. ROBERT BOSCH DE 9,005
  5. SAMSUNG ELECTRONICS COMPANY KR 6,729
  6. GUANGDONG POWER GRID CORPORATION 5,740
  7. DENSO CORPORATION JP 5,077
  8. LG ELECTRONICS KR 5,041
  9. LG INNOTEK COMPANY KR 4,442
  10. TOYOTA MOTOR CORPORATION 4,349