B29C 51/00 Shaping by thermoforming , e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
Introduced: January 1985
Title
Titles differ between systems:
IPC: Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
CPC: Shaping by thermoforming , e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
Full Title
Full titles differ between systems:
Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
Shaping by thermoforming , e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
Of 12 combined children, 9 exist in both systems.
3 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1985.
Child Classifications
Navigate with arrow keys, Enter to open
- B29C 51/02 Combined thermoforming and manufacture of the preform since 1985 IPC+CPC Available in IPC and CPC
- B29C 51/04 Combined thermoforming and prestretching, e.g. biaxial stretching since 1985 IPC+CPC Available in IPC and CPC
- B29C 51/08 Deep drawing or matched-mould forming, i.e. using mechanical means only since 1985 +1 CPC IPC+CPC Available in IPC and CPC
- B29C 51/10 Forming by pressure difference, e.g. vacuum since 1985 +1 CPC IPC+CPC Available in IPC and CPC
- B29C 51/26 Component parts, details or accessories; Auxiliary operations since 1985 +5 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