CPC Subgroup Additional Only
B29C 2949/07 Preforms or parisons characterised by their configuration
Full Title
Indexing scheme relating to blow-moulding > Preforms or parisons characterised by their configuration
10 direct subcodes
Child Classifications
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- B29C 2949/071 the preform being a tube, i.e. with both ends open
- B29C 2949/0715 the preform having one end closed
- B29C 2949/072 having variable wall thickness
- B29C 2949/073 having variable diameter
- B29C 2949/074 having ribs or protrusions
- B29C 2949/075 having at least one internal separating wall
- B29C 2949/076 characterised by the shape
- B29C 2949/079 Auxiliary parts or inserts
- B29C 2949/081 Specified dimensions, e.g. values or ranges
- B29C 2949/0861 Other specified values, e.g. values or ranges
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