DIFF Subgroup
B29C 70/68 by incorporating or moulding on preformed parts, e.g. inserts or layers
Introduced: January 1995
Full Title
Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts > by incorporating or moulding on preformed parts, e.g. inserts or layers
Of 10 combined children, 7 exist in both systems.
3 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1995.
Child Classifications
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- B29C 70/72 Encapsulating inserts having non-encapsulated projections, e.g. extremities or terminal portions of electrical components since 1995 IPC+CPC Available in IPC and CPC
- B29C 70/74 Moulding material on a relatively small portion of the preformed part, e.g. outsert moulding since 1995 +3 CPC IPC+CPC Available in IPC and CPC
- B29C 70/78 Moulding material on one side only of the preformed part since 1995 IPC+CPC Available in IPC and CPC
- B29C 70/82 Forcing wires, nets or the like partially or completely into the surface of an article, e.g. by cutting and pressing since 1995 IPC+CPC Available in IPC and CPC
- B29C 70/84 by moulding material on preformed parts to be joined since 1995 +1 CPC IPC+CPC Available in IPC and CPC
- B29C 70/86 Incorporated in coherent impregnated reinforcing layers, since 1995 +1 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class B29,2013–2023, worldwide · Source: EPO PATSTAT
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 3,802
- BOEING COMPANY US 3,087
- COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 2,315
- SUMITOMO RUBBER IND 1,784
- GE (GENERAL ELECTRIC COMPANY) US 1,663
- CANON 1,658
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,587
- TORAY INDUSTRIES JP 1,555
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,470
- LG CHEM KR 1,415
Top Applicants (CPC)
Class B29,2013–2023, worldwide · Source: EPO PATSTAT
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 4,167
- BOEING COMPANY US 3,701
- COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 2,554
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 2,240
- TORAY INDUSTRIES JP 2,133
- GE (GENERAL ELECTRIC COMPANY) US 2,069
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 2,028
- LG CHEM KR 1,962
- DOW GLOBAL TECHNOLOGIES US 1,896
- CONTINENTAL REIFEN DE 1,725