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DIFF Subgroup
D02H 13/28

Warp beams (cloth beams D03D49/20)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Warp beams

CPC: Warp beams (cloth beams D03D49/20)

Full Title

Full titles differ between systems:

IPC:

Details of machines of the other groups of this subclass > Warp beams

CPC:

Details of machines of the preceding groups > Warp beams (cloth beams D03D49/20)

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

Child Classifications

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  • D02H 13/34 sectional IPC+CPC Available in IPC and CPC
  • D02H 13/36 Means for attaching warp to beam IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class D02,2013–2023, worldwide · Source: EPO PATSTAT

  1. JIANGNAN UNIVERSITY 383
  2. TORAY INDUSTRIES JP 349
  3. TORAY INDUSTRIES 281
  4. OERLIKON TEXTILE & COMPANY DE 224
  5. CONTINENTAL REIFEN DE 208
  6. NATIONAL DONG HWA UNIVERSITY 203
  7. KOLON INDUSTRIES KR 188
  8. WUHAN TEXTILE UNIVERSITY 184
  9. COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 176
  10. TMT MACHINERY 155

Top Applicants (CPC)

Class D02,2013–2023, worldwide · Source: EPO PATSTAT

  1. TORAY INDUSTRIES JP 443
  2. OERLIKON TEXTILE & COMPANY DE 242
  3. KOLON INDUSTRIES KR 232
  4. CONTINENTAL REIFEN DE 204
  5. JIANGNAN UNIVERSITY 193
  6. COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 178
  7. TMT MACHINERY 168
  8. NATIONAL DONG HWA UNIVERSITY 163
  9. WUHAN TEXTILE UNIVERSITY 153
  10. P&G (PROCTER & GAMBLE COMPANY) US 131