CPC Main Group
B29C 48/00 Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor (extrusion blow-moulding B29C49/04)
9 direct subcodes
Child Classifications
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- B29C 48/02 Small extruding apparatus, e.g. handheld, toy or laboratory extruders
- B29C 48/025 General arrangement or layout of plant
- B29C 48/03 characterised by the shape of the extruded material at extrusion
- B29C 48/14 characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
- B29C 48/15 incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C 48/16 Articles comprising two or more components, e.g. co-extruded layers
- B29C 48/25 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