Friction retainers acting on under or rear side of article being separated

Friction retainers acting on under or rear side of article being separated · 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 codeB65H3/52
Official titleFriction retainers acting on under or rear side of article being separated
Display labelFriction retainers acting on under or rear side of article being separated
Total patents84

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
201510
20169
201714
201818
20196
20203
20215
20224
20233
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 B65H3/52?
CPC B65H3/52 is the Cooperative Patent Classification code for “Friction retainers acting on under or rear side of article being separated.”
How many patents are filed under CPC B65H3/52 (Friction retainers acting on under or rear side of article being separated)?
Our database includes 84 publications tagged with this CPC code.
Is patent activity under CPC B65H3/52 growing?
Publication counts under this code: 7 in 2024 vs 5 in 2025 (latest complete years).