IPC Main Group
H02P 29/00 Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
Introduced: January 2006
Last revised: January 2016
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
Control of motors that can be connected to two or more different voltage or current supplies Vector control
7 direct subcodes
Child Classifications
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- H02P 29/02 Providing protection against overload without automatic interruption of supply
- H02P 29/04 by means of a separate brake
- H02P 29/1 for preventing overspeed or under speed
- H02P 29/2 for controlling one motor used for different sequential operations
- H02P 29/4 Regulating or controlling the amount of current drawn or delivered by the motor for controlling the mechanical load
- H02P 29/5 Reduction of harmonics
- H02P 29/6 Controlling or determining the temperature of the motor or of the drive
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