DIFF Main Group
D03J 1/00 Auxiliary apparatus combined with or associated with looms
Introduced: September 1968
Of 19 combined children, 11 exist in both systems.
8 codes are CPC-only extensions.
4 shared codes have differing titles between IPC and CPC.
Child Classifications
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- D03J 1/12 transferring bobbins between loom and winding station (bobbin-winding machines B65H) IPC+CPC Available in IPC and CPC
- D03J 1/13 for leasing warp (leasing in general D02H9/00) since 1974 IPC+CPC Available in IPC and CPC
- D03J 1/14 Apparatus for threading warp stop-motion droppers, healds, or reeds IPC+CPC Available in IPC and CPC
- D03J 1/16 Apparatus for joining warp ends (knot-tying tools D03J3/00) 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