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DIFF Main Group
B29C 33/00

Moulds or cores; Details thereof or accessories therefor

Introduced: January 1985

Of 24 combined children, 12 exist in both systems.

12 codes are CPC-only extensions.

3 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1985.

Child Classifications

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  • B29C 2033/0005 2nd only CPC only CPC only
  • B29C 2033/0094 2nd only CPC only CPC only
  • B29C 33/0033 CPC only CPC only
  • B29C 33/005 CPC only CPC only
  • B29C 33/0055 CPC only CPC only
  • B29C 33/0077 CPC only CPC only
  • B29C 33/0083 CPC only CPC only
  • B29C 33/0088 CPC only CPC only
  • B29C 33/10 with incorporated venting means since 1985 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B29,2013–2023, worldwide · Source: EPO PATSTAT

  1. HEWLETT-PACKARD DEVELOPMENT COMPANY US 3,802
  2. BOEING COMPANY US 3,087
  3. COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 2,315
  4. SUMITOMO RUBBER IND 1,784
  5. GE (GENERAL ELECTRIC COMPANY) US 1,663
  6. CANON 1,658
  7. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,587
  8. TORAY INDUSTRIES JP 1,555
  9. BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,470
  10. LG CHEM KR 1,415

Top Applicants (CPC)

Class B29,2013–2023, worldwide · Source: EPO PATSTAT

  1. HEWLETT-PACKARD DEVELOPMENT COMPANY US 4,167
  2. BOEING COMPANY US 3,701
  3. COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 2,554
  4. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 2,240
  5. TORAY INDUSTRIES JP 2,133
  6. GE (GENERAL ELECTRIC COMPANY) US 2,069
  7. BASF (BADISCHE ANILIN & SODA FABRIK) DE 2,028
  8. LG CHEM KR 1,962
  9. DOW GLOBAL TECHNOLOGIES US 1,896
  10. CONTINENTAL REIFEN DE 1,725