Feeding the articles from hoppers to machines or dispensers

Feeding the articles from hoppers to machines or dispensers · 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 codeB23P19/004
Official title{Feeding the articles from hoppers to machines or dispensers}
Display labelFeeding the articles from hoppers to machines or dispensers
Total patents64

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20157
20166
20173
20184
201910
20207
20218
20224
20235
20243
20257

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 B23P19/004?
CPC B23P19/004 is the Cooperative Patent Classification code for “Feeding the articles from hoppers to machines or dispensers.”
How many patents are filed under CPC B23P19/004 (Feeding the articles from hoppers to machines or dispensers)?
Our database includes 64 publications tagged with this CPC code.
Is patent activity under CPC B23P19/004 growing?
Publication counts under this code: 3 in 2024 vs 7 in 2025 (latest complete years).