IPC Subgroup
H02P 29/02 Providing protection against overload without automatic interruption of supply
Introduced: January 2006
Last revised: January 2016
Full Title
Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors > Providing protection against overload without automatic interruption of supply
Classification Context
- Section:
- ELECTRICITY
- Class:
- GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
- Subclass:
- CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
Additional Content
Protection against faults in stepper motors
2 direct subcodes
Child Classifications
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- H02P 29/024 Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
- H02P 29/032 Preventing damage to the motor, e.g. setting individual current limits for different drive conditions
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