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IPC Subgroup
H02K 15/2

Shaping or compacting conductors or winding heads after the installation of the winding in the cores or machines; Applying fastening means on winding heads

Introduced: January 2025

Full Title

Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines > Shaping or compacting conductors or winding heads after the installation of the winding in the cores or machines; Applying fastening means on winding heads

Classification Context

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

Filing statistics

IPC H02K 15/2 belongs to the parent subclass H02K, which recorded 426,168 patent applications worldwide between 2013 and 2023. Annual filings grew from 23,896 in 2013 to 46,626 in 2023 (+95%), peaking at 54,100 applications in 2020. The most active applicants in class H02 are SGCC(STATE GRID CORPORATION OF CHINA) (54,496 applications), MITSUBISHI ELECTRIC CORPORATION (10,495 applications) and TOYOTA MOTOR CORPORATION (9,464 applications).

Source: EPO PATSTAT, worldwide filings

3 direct subcodes

Child Classifications

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  • H02K 15/22 Shaping or compacting conductors in slots or around salient poles
  • H02K 15/28 using electrodynamic forces

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