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CPC Main Group
H02K 3/00

Details of windings

7 direct subcodes

Child Classifications

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  • H02K 3/02 Windings characterised by the conductor material
  • H02K 3/30 Windings characterised by the insulating material
  • H02K 3/42 Means for preventing or reducing eddy-current losses in the winding heads, e.g. by shielding
  • H02K 3/44 Protection against moisture or chemical attack; Windings specially adapted for operation in liquid or gas

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