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IPC Subgroup
H02K 1/2753

the rotor consisting of magnets or groups of magnets arranged with alternating polarity

Introduced: January 2022

Full Title

Details of the magnetic circuit > characterised by the shape, form or construction > Rotating parts of the magnetic circuit > Rotor cores with permanent magnets > Inner rotors > the magnetisation axis of the magnets being perpendicular to the rotor axis > the rotor consisting of two or more circumferentially positioned magnets > the rotor consisting of magnets or groups of magnets arranged with alternating polarity

Classification Context

Section:
ELECTRICITY
Class:
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
Subclass:
DYNAMO-ELECTRIC MACHINES

2 direct subcodes

Child Classifications

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  • H02K 1/276 Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]

Top Applicants

Top 10 applicants by patent filingsfor class H02, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 54,496
  2. MITSUBISHI ELECTRIC CORPORATION JP 10,495
  3. TOYOTA MOTOR CORPORATION 9,464
  4. GUANGDONG POWER GRID CORPORATION 9,339
  5. ROBERT BOSCH DE 8,226
  6. SIEMENS DE 8,218
  7. DENSO CORPORATION 7,063
  8. MITSUBISHI ELECTRIC CORPORATION 6,619
  9. SAMSUNG ELECTRONICS COMPANY KR 5,826
  10. GREE ELECTRIC APPLIANCES 5,094