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 15/04 of windings prior to their mounting into the machines (insulating windings H02K15/10, H02K15/12) IPC+CPC Available in IPC and CPC
- H02K 15/08 Forming windings by laying conductors into or around core parts IPC+CPC Available in IPC and CPC
- H02K 15/10 Applying solid insulation to windings, stators or rotors, e.g. applying insulating tapes +1 CPC IPC+CPC Available in IPC and CPC
- H02K 15/12 Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines IPC+CPC Available in IPC and CPC
- 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 15/20 Shaping or compacting conductors or winding heads after the installation of the winding in the cores or machines; Applying fastening means on winding heads 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 15/80 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
- 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
Top Applicants (CPC)
Class H02,2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 24,515
- MITSUBISHI ELECTRIC CORPORATION JP 11,346
- SIEMENS DE 9,026
- ROBERT BOSCH DE 9,005
- SAMSUNG ELECTRONICS COMPANY KR 6,729
- GUANGDONG POWER GRID CORPORATION 5,740
- DENSO CORPORATION JP 5,077
- LG ELECTRONICS KR 5,041
- LG INNOTEK COMPANY KR 4,442
- TOYOTA MOTOR CORPORATION 4,349