IPC 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
Introduced: January 2019
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- Subclass:
- SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
Filing statistics
IPC B29C 48/00 belongs to the parent subclass B29C, which recorded 798,253 patent applications worldwide between 2013 and 2023. Annual filings grew from 41,414 in 2013 to 85,002 in 2023 (+105%), peaking at 100,948 applications in 2020. The most active applicants in class B29 are HEWLETT-PACKARD DEVELOPMENT COMPANY (3,802 applications), BOEING COMPANY (3,087 applications) and COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN (2,315 applications).
Source: EPO PATSTAT, worldwide filings
Additional Content
Extrusion blow-moulding
Related Keywords
EXTRUDING of plastics or substances in a plastic state
7 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 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