DIFF Subgroup
D03D 15/20 characterised by the material of the fibres or filaments constituting 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 material of the fibres or filaments constituting the yarns or threads
IPC and CPC are identically structured here. All 5 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2021.
Child Classifications
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- D03D 15/283 synthetic polymer-based, e.g. polyamide or polyester fibres (cellulose-based artificial fibres D03D15/225) since 2021 IPC+CPC Available in IPC and CPC
- D03D 15/292 Conjugate, i.e. bi- or multicomponent, fibres or filaments since 2021 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class D03,2013–2023, worldwide · Source: EPO PATSTAT
- TORAY INDUSTRIES JP 461
- TORAY INDUSTRIES 324
- SHANDONG RIFA TEXTILE MACHINERY COMPANY 279
- TOYOTA INDUSTRIES CORPORATION 260
- JIANGSU COLLEGE OF ENGINEERING AND TECHNOLOGY 259
- ZHEJIANG SCI TECH UNIVERSITY 244
- PICANOL BE 213
- TOYOTA INDUSTRIES CORPORATION JP 192
- FEDERAL-MOGUL POWERTRAIN US 175
- NATIONAL DONG HWA UNIVERSITY 171
Top Applicants (CPC)
Class D03,2013–2023, worldwide · Source: EPO PATSTAT
- TORAY INDUSTRIES JP 517
- PICANOL BE 214
- TOYOTA INDUSTRIES CORPORATION 210
- JIANGSU COLLEGE OF ENGINEERING AND TECHNOLOGY 202
- SANKO TEKSTIL ISLETMELERI SAN. VE TIC. TR 196
- TOYOTA INDUSTRIES CORPORATION JP 193
- FEDERAL-MOGUL POWERTRAIN US 188
- SAFRAN AIRCRAFT ENGINES FR 187
- SAFRAN FR 168
- ASAHI KASEI JP 150