CPC Main Group
B29C 51/00 Shaping by thermoforming , e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
12 direct subcodes
Child Classifications
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- B29C 51/02 Combined thermoforming and manufacture of the preform
- B29C 51/04 Combined thermoforming and prestretching, e.g. biaxial stretching
- B29C 51/08 Deep drawing or matched-mould forming, i.e. using mechanical means only
- B29C 51/10 Forming by pressure difference, e.g. vacuum
- B29C 51/12 of articles having inserts or reinforcements
- B29C 51/14 using multilayered preforms or sheets
- B29C 51/16 Lining or labelling
- B29C 51/18 Thermoforming apparatus
- B29C 51/26 Component parts, details or accessories; Auxiliary operations
Top Applicants
Top 10 applicants by patent filingsfor 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