Auxiliary devices for retaining articles in the pile

Auxiliary devices for retaining articles in the pile · 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 codeB65H31/26
Official titleAuxiliary devices for retaining articles in the pile
Display labelAuxiliary devices for retaining articles in the pile
Total patents547

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
201580
201643
201749
201859
201954
202042
202150
202257
202334
202443
202533
20263

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 B65H31/26?
CPC B65H31/26 is the Cooperative Patent Classification code for “Auxiliary devices for retaining articles in the pile.”
How many patents are filed under CPC B65H31/26 (Auxiliary devices for retaining articles in the pile)?
Our database includes 547 publications tagged with this CPC code.
Is patent activity under CPC B65H31/26 growing?
Publication counts under this code: 43 in 2024 vs 33 in 2025 (latest complete years).