IPC Subgroup
H02K 19/16 Synchronous generators
Introduced: September 1968
Last revised: January 2006
Full Title
Synchronous motors or generators > Synchronous generators
Classification Context
- Section:
- ELECTRICITY
- Class:
- GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
- Subclass:
- DYNAMO-ELECTRIC MACHINES
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) 54,496
- MITSUBISHI ELECTRIC CORPORATION JP 10,495
- TOYOTA MOTOR CORPORATION 9,464
- GUANGDONG POWER GRID CORPORATION 9,339
- ROBERT BOSCH DE 8,226
- SIEMENS DE 8,218
- DENSO CORPORATION 7,063
- MITSUBISHI ELECTRIC CORPORATION 6,619
- SAMSUNG ELECTRONICS COMPANY KR 5,826
- GREE ELECTRIC APPLIANCES 5,094