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DIFF Main Group
D07B 3/00

General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material

Introduced: September 1968

Of 5 combined children, 4 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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  • D07B 3/005 CPC only CPC only
  • D07B 3/12 operating with rotating loops of filaments IPC+CPC Available in IPC and CPC
  • D07B 3/14 hand-operated IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class D07,2013–2023, worldwide · Source: EPO PATSTAT

  1. COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 375
  2. BRIDGESTONE CORPORATION JP 198
  3. BEKAERT BE 187
  4. JIANGSU XINGDA STEEL TYRE CORD COMPANY 138
  5. BRIDGESTONE CORPORATION 134
  6. OTIS ELEVATOR COMPANY US 126
  7. GUIZHOU STEEL ROPE COMPANY 117
  8. MICHELIN RECHERCHE ET TECHNIQUE CH 105
  9. JIANGSU SAFETY STEEL WIRE ROPE COMPANY 90
  10. JIANGSU XINGDA STEEL CORD COMPANY 85

Top Applicants (CPC)

Class D07,2013–2023, worldwide · Source: EPO PATSTAT

  1. COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 429
  2. BEKAERT BE 233
  3. BRIDGESTONE CORPORATION JP 218
  4. OTIS ELEVATOR COMPANY US 204
  5. MICHELIN RECHERCHE ET TECHNIQUE CH 154
  6. DSM IP ASSETS (DUTCH STATE MINES IP ASSETS) NL 151
  7. BRIDGESTONE CORPORATION 118
  8. KONE CORPORATION FI 100
  9. CONTINENTAL REIFEN DE 96
  10. SOLETANCHE FREYSSINET FR 90