Arrangements or applications of hoppers or chutes

Arrangements or applications of hoppers or chutes · 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 codeB65G47/44
Official titleArrangements or applications of hoppers or chutes
Display labelArrangements or applications of hoppers or chutes
Total patents168

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
20151
20164
20179
201814
201917
202019
202123
202217
202319
202421
202518
20266

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 B65G47/44?
CPC B65G47/44 is the Cooperative Patent Classification code for “Arrangements or applications of hoppers or chutes.”
How many patents are filed under CPC B65G47/44 (Arrangements or applications of hoppers or chutes)?
Our database includes 168 publications tagged with this CPC code.
Is patent activity under CPC B65G47/44 growing?
Publication counts under this code: 21 in 2024 vs 18 in 2025 (latest complete years).