CPC Subgroup
H02K 23/26 characterised by the armature windings
Full Title
DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors > characterised by the armature windings
6 direct subcodes
Child Classifications
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- H02K 23/28 having open windings, i.e. not closed within the armatures
- H02K 23/30 having lap or loop windings
- H02K 23/32 having wave or undulating windings
- H02K 23/34 having mixed windings
- H02K 23/36 having two or more windings; having two or more commutators; having two or more stators
- H02K 23/38 having winding or connection for improving commutation, e.g. equipotential connection
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