CPC Subgroup
H02K 19/16 Synchronous generators
Full Title
Synchronous motors or generators (having permanent magnets H02K21/00) > Synchronous generators
Filing statistics
CPC H02K 19/16 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
6 direct subcodes
Child Classifications
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- H02K 19/18 having windings each turn of which co-operates only with poles of one polarity, e.g. homopolar generators
- H02K 19/22 having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators
- H02K 19/26 characterised by the arrangement of exciting windings
- H02K 19/34 Generators with two or more outputs
- H02K 19/36 Structural association of synchronous generators with auxiliary electric devices influencing the characteristic of the generator or controlling the generator, e.g. with impedances or switches
- H02K 19/38 Structural association of synchronous generators with exciting machines
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