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CPC Subgroup
H02H 11/001

Full Title

Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result

Filing statistics

CPC H02H 11/001 belongs to the parent subclass H02H, which recorded 80,529 patent applications worldwide between 2013 and 2023. Annual filings grew from 4,909 in 2013 to 8,546 in 2023 (+74%), peaking at 8,863 applications in 2020. 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

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