IPC Subgroup
H02K 7/1 Structural association with clutches, brakes, gears, pulleys or mechanical starters
Introduced: September 1968
Last revised: January 2006
Full Title
Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines > Structural association with clutches, brakes, gears, pulleys or mechanical starters
Classification Context
- Section:
- ELECTRICITY
- Class:
- GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
- Subclass:
- DYNAMO-ELECTRIC MACHINES
Related Keywords
BRAKE(S) structurally associated with electric machinesCLUTCH(ES) structurally associated with electric machinesGEAR(S) structurally associated with electric machines
10 direct subcodes
Child Classifications
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- H02K 7/102 with friction brakes
- H02K 7/104 with eddy-current brakes
- H02K 7/106 with dynamo-electric brakes
- H02K 7/108 with friction clutches
- H02K 7/11 with dynamo-electric clutches
- H02K 7/112 with friction clutches in combination with brakes
- H02K 7/114 with dynamo-electric clutches in combination with brakes
- H02K 7/116 with gears
- H02K 7/118 with starting devices
- H02K 7/12 with auxiliary limited movement of stators, rotors or core parts, e.g. rotors axially movable for the purpose of clutching or braking
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