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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 1/001 CPC only CPC only
  • D03J 1/002 CPC only CPC only
  • D03J 1/003 CPC only CPC only
  • D03J 1/004 CPC only CPC only
  • D03J 1/005 CPC only CPC only
  • D03J 1/006 CPC only CPC only
  • D03J 1/007 CPC only CPC only
  • D03J 1/008 CPC only CPC only
  • D03J 1/02 for treating warp, e.g. cleaning, moistening IPC+CPC Available in IPC and CPC
  • D03J 1/04 for treating weft IPC+CPC Available in IPC and CPC
  • D03J 1/10 for indicating pattern to weaver IPC+CPC Available in IPC and CPC
  • 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 1/20 Measuring length of fabric or number of picks woven IPC+CPC Available in IPC and CPC
  • D03J 1/24 Mirrors or other arrangements for inspecting loom parts 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