IPC Main Group
H02K 7/00 Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
- Subclass:
- DYNAMO-ELECTRIC MACHINES
Related Keywords
PULLEY(S) structurally associated with electric machines
8 direct subcodes
Child Classifications
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- H02K 7/02 Additional mass for increasing inertia, e.g. flywheels
- H02K 7/04 Balancing means
- H02K 7/06 Means for converting reciprocating motion into rotary motion or
- H02K 7/08 Structural association with bearings
- H02K 7/1 Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K 7/14 Structural association with mechanical loads, e.g. with hand-held machine tools or fans
- H02K 7/18 Structural association of electric generators with mechanical driving motors, e.g.with turbines
- H02K 7/2 Structural association with auxiliary dynamo-electric machines, e.g. with electric starter motors or exciters
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