Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
H01F 41/06

Coil winding

Full Title

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

12 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • H01F 41/076 Forming taps or terminals while winding, e.g. by wrapping or soldering the wire onto pins, or by directly forming terminals from the wire
  • H01F 41/077 Deforming the cross section or shape of the winding material while winding
  • H01F 41/079 Measuring electrical characteristics while winding
  • H01F 41/08 Winding conductors onto closed formers or cores, e.g. threading conductors through toroidal cores
  • H01F 41/094 Tensioning or braking devices
  • H01F 41/096 Dispensing or feeding devices
  • H01F 41/098 Mandrels; Formers

Top Applicants

Top 10 applicants by patent filingsfor 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