CPC Main Group
H02P 27/00 Arrangements or methods for the control of AC motors characterised by the kind of supply voltage (of two or more motors H02P5/00; of synchronous motors with electronic commutators H02P6/00; of DC motors H02P7/00; of stepping motors H02P8/00)
Filing statistics
CPC H02P 27/00 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
2 direct subcodes
Child Classifications
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- H02P 27/02 using supply voltage with constant frequency and variable amplitude
- H02P 27/04 using variable-frequency supply voltage, e.g. inverter or converter supply voltage
Top Applicants
Top 10 applicants by patent filingsfor class H02, 2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 24,515
- MITSUBISHI ELECTRIC CORPORATION JP 11,346
- SIEMENS DE 9,026
- ROBERT BOSCH DE 9,005
- SAMSUNG ELECTRONICS COMPANY KR 6,729
- GUANGDONG POWER GRID CORPORATION 5,740
- DENSO CORPORATION JP 5,077
- LG ELECTRONICS KR 5,041
- LG INNOTEK COMPANY KR 4,442
- TOYOTA MOTOR CORPORATION 4,349