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DIFF Subgroup
D03D 15/50

characterised by the properties of the yarns or threads

Introduced: January 2021

Full Title

Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used > characterised by the properties of the yarns or threads

IPC and CPC are identically structured here. All 13 subcodes exist in both systems.

IPC defines codes here since 2021.

Child Classifications

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  • D03D 15/507 magnetic since 2021 IPC+CPC Available in IPC and CPC
  • D03D 15/513 heat-resistant or fireproof since 2021 IPC+CPC Available in IPC and CPC
  • D03D 15/52 thermal insulating, e.g. heating or cooling since 2021 IPC+CPC Available in IPC and CPC
  • D03D 15/527 waterproof or water-repellent since 2021 IPC+CPC Available in IPC and CPC
  • D03D 15/533 antistatic; electrically conductive since 2021 IPC+CPC Available in IPC and CPC
  • D03D 15/54 coloured since 2021 IPC+CPC Available in IPC and CPC
  • D03D 15/56 elastic since 2021 IPC+CPC Available in IPC and CPC
  • D03D 15/567 Shapes or effects upon shrinkage since 2021 IPC+CPC Available in IPC and CPC
  • D03D 15/573 Tensile strength since 2021 IPC+CPC Available in IPC and CPC
  • D03D 15/58 characterised by the coefficients of friction since 2021 IPC+CPC Available in IPC and CPC
  • D03D 15/587 adhesive; fusible since 2021 IPC+CPC Available in IPC and CPC
  • D03D 15/593 Stiff materials, e.g. cane or slat since 2021 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class D03,2013–2023, worldwide · Source: EPO PATSTAT

  1. TORAY INDUSTRIES JP 461
  2. TORAY INDUSTRIES 324
  3. SHANDONG RIFA TEXTILE MACHINERY COMPANY 279
  4. TOYOTA INDUSTRIES CORPORATION 260
  5. JIANGSU COLLEGE OF ENGINEERING AND TECHNOLOGY 259
  6. ZHEJIANG SCI TECH UNIVERSITY 244
  7. PICANOL BE 213
  8. TOYOTA INDUSTRIES CORPORATION JP 192
  9. FEDERAL-MOGUL POWERTRAIN US 175
  10. NATIONAL DONG HWA UNIVERSITY 171

Top Applicants (CPC)

Class D03,2013–2023, worldwide · Source: EPO PATSTAT

  1. TORAY INDUSTRIES JP 517
  2. PICANOL BE 214
  3. TOYOTA INDUSTRIES CORPORATION 210
  4. JIANGSU COLLEGE OF ENGINEERING AND TECHNOLOGY 202
  5. SANKO TEKSTIL ISLETMELERI SAN. VE TIC. TR 196
  6. TOYOTA INDUSTRIES CORPORATION JP 193
  7. FEDERAL-MOGUL POWERTRAIN US 188
  8. SAFRAN AIRCRAFT ENGINES FR 187
  9. SAFRAN FR 168
  10. ASAHI KASEI JP 150