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DIFF Main Group
H02K 15/00

Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines

Introduced: September 1968

IPC and CPC are identically structured here. All 18 subcodes exist in both systems.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • H02K 15/13 Applying slot closure means in the cores; Manufacture of slot closure means since 2025 IPC+CPC Available in IPC and CPC
  • H02K 15/40 Assembling dynamo-electric machines (H02K15/16 takes precedence) since 2025 IPC+CPC Available in IPC and CPC
  • H02K 15/50 Disassembling, repairing or modifying dynamo-electric machines (repairing of cooling fluid boxes H02K15/38) since 2025 IPC+CPC Available in IPC and CPC
  • H02K 15/60 Hoisting or moving dynamo-electric machines since 2025 IPC+CPC Available in IPC and CPC
  • H02K 15/70 Cleaning dynamo-electric machines since 2025 IPC+CPC Available in IPC and CPC
  • H02K 15/80 Manufacturing lines specially adapted for dynamo-electrical machines, e.g. feeding or unloading since 2025 IPC+CPC Available in IPC and CPC
  • H02K 15/90 Positioning or clamping dynamo-electric machines, e.g. jigs since 2025 IPC+CPC Available in IPC and CPC
  • H02K 15/95 Installation of current collectors, e.g. commutators, slip-rings or brushes since 2025 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

Class H02,2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 24,515
  2. MITSUBISHI ELECTRIC CORPORATION JP 11,346
  3. SIEMENS DE 9,026
  4. ROBERT BOSCH DE 9,005
  5. SAMSUNG ELECTRONICS COMPANY KR 6,729
  6. GUANGDONG POWER GRID CORPORATION 5,740
  7. DENSO CORPORATION JP 5,077
  8. LG ELECTRONICS KR 5,041
  9. LG INNOTEK COMPANY KR 4,442
  10. TOYOTA MOTOR CORPORATION 4,349