CPC Subgroup Additional Only
B29C 2948/92361 Extrusion unit
Full Title
Indexing scheme relating to extrusion moulding > Measuring, controlling or regulating > Location or phase of measurement > Extrusion unit
4 direct subcodes
Child Classifications
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- B29C 2948/92371 Inlet shaft or slot, e.g. passive hopper; Injector, e.g. injector nozzle on barrel
- B29C 2948/9238 Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C 2948/92409 Die; Nozzle zone
- B29C 2948/92419 Degassing unit
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