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CPC Subgroup
H02K 11/20

for measuring, monitoring, testing, protecting or switching (rectifiers H02K11/04; power electronics H02K11/33)

Full Title

Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection (casings, enclosures or supports H02K5/00) > for measuring, monitoring, testing, protecting or switching (rectifiers H02K11/04; power electronics H02K11/33)

6 direct subcodes

Child Classifications

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  • H02K 11/24 Devices for sensing torque, or actuated thereby (H02K11/27 takes precedence)
  • H02K 11/25 Devices for sensing temperature, or actuated thereby
  • H02K 11/26 Devices for sensing voltage, or actuated thereby, e.g. overvoltage protection devices
  • H02K 11/27 Devices for sensing current, or actuated thereby (overcurrent protection responsive to temperature of the machines or parts thereof, e.g. windings, H02K11/25)
  • H02K 11/28 Manual switches

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