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PCE
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DIFF Subgroup
H02J 3/1842

having reactive elements actively controlled by bridge converters, e.g. active filters or static compensators [STATCOM]

Introduced: January 2026

Full Title

Circuit arrangements for AC mains or AC distribution networks > Arrangements for adjusting, eliminating or compensating reactive power in networks > using shunt compensators > with stepless control > having reactive elements actively controlled by bridge converters, e.g. active filters or static compensators [STATCOM]

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 2026.

Child Classifications

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  • H02J 3/185 the reactive elements being purely inductive, e.g. superconductive magnetic energy storage [SMES] systems since 2026 IPC+CPC Available in IPC and CPC
  • H02J 3/1857 the bridge converters being multilevel bridge converters or modular multilevel converters since 2026 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class H02,2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 54,496
  2. MITSUBISHI ELECTRIC CORPORATION JP 10,495
  3. TOYOTA MOTOR CORPORATION 9,464
  4. GUANGDONG POWER GRID CORPORATION 9,339
  5. ROBERT BOSCH DE 8,226
  6. SIEMENS DE 8,218
  7. DENSO CORPORATION 7,063
  8. MITSUBISHI ELECTRIC CORPORATION 6,619
  9. SAMSUNG ELECTRONICS COMPANY KR 5,826
  10. GREE ELECTRIC APPLIANCES 5,094

Top Applicants (CPC)

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