Feeding {of the material to be moulded}, e.g. into a mould cavity {(B29C39/08 takes precedence; using a material distribution system to two or more fixed injection moulds B29C45/125)}

Feeding {of the material to be moulded}, e.g. into a mould cavity {(B29C39/08 takes precedence; using a material distribution system to two or more fixed injection moulds B29C45/125)} · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB29C31/04
Official titleFeeding {of the material to be moulded}, e.g. into a mould cavity {(B29C39/08 takes precedence; using a material distribution system to two or more fixed injection moulds B29C45/125)}
Display labelFeeding {of the material to be moulded}, e.g. into a mould cavity {(B29C39/08 takes precedence; using a material distribution system to two or more fixed injection moulds B29C45/125)}
Total patents145

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20158
201617
201710
201813
201914
202021
202115
20227
202311
202415
202510
20264

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC B29C31/04?
CPC B29C31/04 is the Cooperative Patent Classification code for “Feeding {of the material to be moulded}, e.g. into a mould cavity {(B29C39/08 takes precedence; using a material distribution system to two or more fixed injection moulds B29C45/125)}.”
How many patents are filed under CPC B29C31/04 (Feeding {of the material to be moulded}, e.g. into a mould cavity {(B29C39/08 takes precedence; using a material distribution system to two or more fixed injection moulds B29C45/125)})?
Our database includes 145 publications tagged with this CPC code.
Is patent activity under CPC B29C31/04 growing?
Publication counts under this code: 15 in 2024 vs 10 in 2025 (latest complete years).