CPC Subgroup
H02K 17/02 Asynchronous induction motors
Full Title
Asynchronous induction motors; Asynchronous induction generators > Asynchronous induction motors
Filing statistics
CPC H02K 17/02 belongs to the parent subclass H02K, which recorded 252,453 patent applications worldwide between 2013 and 2023. Annual filings grew from 14,359 in 2013 to 24,242 in 2023 (+69%), peaking at 29,510 applications in 2020. The most active applicants in class H02 are SGCC(STATE GRID CORPORATION OF CHINA) (24,515 applications), MITSUBISHI ELECTRIC CORPORATION (11,346 applications) and SIEMENS (9,026 applications).
Source: EPO PATSTAT, worldwide filings
9 direct subcodes
Child Classifications
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- H02K 17/04 for single phase current
- H02K 17/12 for multi-phase current
- H02K 17/16 having rotors with internally short-circuited windings, e.g. cage rotors
- H02K 17/22 having rotors with windings connected to slip-rings
- H02K 17/26 having rotors or stators designed to permit synchronous operation
- H02K 17/28 having compensating winding for improving phase angle
- H02K 17/30 Structural association of asynchronous induction motors with auxiliary electric devices influencing the characteristics of the motor or controlling the motor, e.g. with impedances or switches
- H02K 17/32 Structural association of asynchronous induction motors with auxiliary mechanical devices, e.g. with clutches or brakes
- H02K 17/34 Cascade arrangement of an asynchronous motor with another dynamo-electric motor or converter
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