Feeding

Feeding · 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 codeB29C64/321
Official titleFeeding
Display labelFeeding
Total patents1,348

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
201512
201621
201770
201879
2019122
2020158
2021217
2022210
2023154
2024155
2025120
202630

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 B29C64/321?
CPC B29C64/321 is the Cooperative Patent Classification code for “Feeding.”
How many patents are filed under CPC B29C64/321 (Feeding)?
Our database includes 1,348 publications tagged with this CPC code.
Is patent activity under CPC B29C64/321 growing?
Publication counts under this code: 155 in 2024 vs 120 in 2025 (latest complete years).