Flow control means disposed within the sprue channel, e.g. "torpedo" construction

Flow control means disposed within the sprue channel, e.g. "torpedo" construction · 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 codeB29C45/30
Official titleFlow control means disposed within the sprue channel, e.g. "torpedo" construction
Display labelFlow control means disposed within the sprue channel, e.g. "torpedo" construction
Total patents40

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20151
20162
20174
20185
20194
20201
20214
20226
20231
20247
20255

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 B29C45/30?
CPC B29C45/30 is the Cooperative Patent Classification code for “Flow control means disposed within the sprue channel, e.g. "torpedo" construction.”
How many patents are filed under CPC B29C45/30 (Flow control means disposed within the sprue channel, e.g. "torpedo" construction)?
Our database includes 40 publications tagged with this CPC code.
Is patent activity under CPC B29C45/30 growing?
Publication counts under this code: 7 in 2024 vs 5 in 2025 (latest complete years).