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PCE
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DIFF Subgroup
H01F 41/082

Devices for guiding or positioning the winding material on the former

Introduced: January 2016

Full Title

Full titles differ between systems:

IPC:

Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties > for manufacturing cores, coils or magnets > for manufacturing coils > Coil winding > Devices for guiding or positioning the winding material on the former

CPC:

Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties > for manufacturing cores, coils, or magnets (H01F41/14 takes precedence; for dynamo-electric machines H02K15/00) > for manufacturing coils > Coil winding > Devices for guiding or positioning the winding material on the former

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

IPC defines codes here since 2016.

Child Classifications

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  • H01F 41/084 for forming pancake coils since 2016 IPC+CPC Available in IPC and CPC
  • H01F 41/086 in a special configuration on the former, e.g. orthocyclic coils or open mesh coils since 2016 IPC+CPC Available in IPC and CPC
  • H01F 41/088 using revolving flyers since 2016 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class H01,2013–2023, worldwide · Source: EPO PATSTAT

  1. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 43,574
  2. SAMSUNG ELECTRONICS COMPANY KR 42,206
  3. LG CHEM KR 21,383
  4. APPLIED MATERIALS US 20,441
  5. LG ENERGY SOLUTION KR 20,279
  6. SAMSUNG DISPLAY KR 19,725
  7. CHINESE ACADEMY OF SCIENCES 19,400
  8. TOYOTA MOTOR CORPORATION 18,819
  9. SGCC(STATE GRID CORPORATION OF CHINA) 18,082
  10. TOKYO ELECTRON JP 17,634

Top Applicants (CPC)

Class H01,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 37,897
  2. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 36,116
  3. APPLIED MATERIALS US 21,640
  4. LG ENERGY SOLUTION KR 20,770
  5. LG CHEM KR 19,835
  6. TOKYO ELECTRON JP 18,519
  7. ROBERT BOSCH DE 14,595
  8. INTEL CORPORATION US 13,580
  9. MURATA MANUFACTURING COMPANY JP 12,151
  10. SAMSUNG SDI COMPANY KR 12,080