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CPC Subclass Not Allocatable
H02P

CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS

Description

H02P encompasses control and regulation systems for electric motors, generators, and dynamo-electric converters, as well as control of transformers, reactors, and choke coils. This includes speed control, torque regulation, power factor correction, starting circuits, braking systems, and protective devices for rotating electrical machinery and passive power components. The classification covers analog and digital control methods, feedback mechanisms, and conversion of electrical parameters to achieve desired operational characteristics across industrial, transport, and utility applications.

25 direct subcodes

Child Classifications

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  • H02P 17/00 Arrangements for controlling dynamo-electric gears (vector control H02P21/00)
  • H02P 31/00 Arrangements for regulating or controlling electric motors not provided for in groups H02P1/00 - H02P5/00, H02P7/00 or H02P21/00 - H02P29/00
  • H02P 4/00 Arrangements specially adapted for regulating or controlling the speed or torque of electric motors that can be connected to two or more different electric power supplies (vector control H02P21/00)

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