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CPC Subgroup
H02P 1/26

for starting an individual polyphase induction motor

Full Title

Arrangements for starting electric motors or dynamo-electric converters (starting of synchronous motors with electronic commutators H02P6/20, H02P6/22; starting dynamo-electric motors rotating step by step H02P8/04; vector control H02P21/00) > for starting dynamo-electric motors or dynamo-electric converters > for starting an individual polyphase induction motor

Filing statistics

CPC H02P 1/26 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

7 direct subcodes

Child Classifications

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  • H02P 1/265
  • H02P 1/28 by progressive increase of voltage applied to primary circuit of motor
  • H02P 1/30 by progressive increase of frequency of supply to primary circuit of motor
  • H02P 1/32 by star/delta switching
  • H02P 1/38 by pole-changing
  • H02P 1/40 in either direction of rotation

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