Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
H02K 23/40

characterised by the arrangement of the magnet circuits

Full Title

DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors > characterised by the arrangement of the magnet circuits

5 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • H02K 23/42 having split poles, i.e. zones for varying reluctance by gaps in poles or by poles with different spacing of the air gap
  • H02K 23/44 having movable, e.g. turnable, iron parts
  • H02K 23/46 having stationary shunts, i.e. magnetic cross flux
  • H02K 23/48 having adjustable armatures

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