Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H02K 15/10

Applying solid insulation to windings, stators or rotors, e.g. applying insulating tapes

Introduced: September 1968

Full Title

Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines > Applying solid insulation to windings, stators or rotors, e.g. applying insulating tapes

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 2025.

Child Classifications

Navigate with arrow keys, Enter to open

  • H02K 15/104 Insulating between conductors since 2025 IPC+CPC Available in IPC and CPC
  • H02K 15/105 CPC only CPC only
  • H02K 15/106 Insulating between conductors and cores since 2025 IPC+CPC Available in IPC and CPC
  • H02K 15/108 with slot liners 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