CPC Subgroup
H02K 19/04 for single-phase current
Full Title
Synchronous motors or generators (having permanent magnets H02K21/00) > Synchronous motors > for single-phase current
2 direct subcodes
Child Classifications
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- H02K 19/06 Motors having windings on the stator and a variable-reluctance soft-iron rotor without windings, e.g. inductor motors
- H02K 19/08 Motors having windings on the stator and a smooth rotor without windings of material with large hysteresis, e.g. hysteresis motors
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