B29D 30/38 Textile inserts, e.g. cord or canvas layers, for tyres (making woven fabrics D03D); Treatment of inserts prior to building the tyre (pretreatment of inserts B29B15/00; manufacture of layers comprising fibrous parallel reinforcements of substantial or continuous length B29C70/20)
Introduced: January 1985
Title
Titles differ between systems:
IPC: Textile inserts, e.g. cord or canvas layers, for tyres; Treatment of inserts prior to building the tyre
CPC: Textile inserts, e.g. cord or canvas layers, for tyres (making woven fabrics D03D); Treatment of inserts prior to building the tyre (pretreatment of inserts B29B15/00; manufacture of layers comprising fibrous parallel reinforcements of substantial or continuous length B29C70/20)
Full Title
Full titles differ between systems:
Producing pneumatic or solid tyres or parts thereof > Pneumatic tyres or parts thereof > Textile inserts, e.g. cord or canvas layers, for tyres; Treatment of inserts prior to building the tyre
Producing pneumatic or solid tyres or parts thereof (producing inner tubes B29D23/24; constructional form of tyres or parts thereof B60C; connection of valves to inflatable elastic bodies B60C29/00; testing of tyres G01M17/02) > Pneumatic tyres or parts thereof > Textile inserts, e.g. cord or canvas layers, for tyres (making woven fabrics D03D); Treatment of inserts prior to building the tyre (pretreatment of inserts B29B15/00; manufacture of layers comprising fibrous parallel reinforcements of substantial or continuous length B29C70/20)
Of 7 combined children, 4 exist in both systems.
3 codes are CPC-only extensions.
Note: 3 CPC extensions are marked as secondary classification only.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B29D 30/40 Chemical pretreatment of textile inserts before building the tyre since 1985 IPC+CPC Available in IPC and CPC
- B29D 30/42 Endless textile bands without bead-rings since 1985 +1 CPC IPC+CPC Available in IPC and CPC
- B29D 30/44 Stretching or treating the layers before application on the drum (during application B29D30/30) since 1985 +3 CPC IPC+CPC Available in IPC and CPC
- B29D 30/46 Cutting textile inserts to required shape since 1985 +2 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