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
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- 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
- SGCC(STATE GRID CORPORATION OF CHINA) 24,515
- MITSUBISHI ELECTRIC CORPORATION JP 11,346
- SIEMENS DE 9,026
- ROBERT BOSCH DE 9,005
- SAMSUNG ELECTRONICS COMPANY KR 6,729
- GUANGDONG POWER GRID CORPORATION 5,740
- DENSO CORPORATION JP 5,077
- LG ELECTRONICS KR 5,041
- LG INNOTEK COMPANY KR 4,442
- TOYOTA MOTOR CORPORATION 4,349