for inking rollers

for inking rollers · 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 codeB41F35/04
Official titlefor inking rollers
Display labelfor inking rollers
Total patents31

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20159
20163
20171
20192
20203
20215
20224
20233
20251

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 B41F35/04?
CPC B41F35/04 is the Cooperative Patent Classification code for “for inking rollers.”
How many patents are filed under CPC B41F35/04 (for inking rollers)?
Our database includes 31 publications tagged with this CPC code.
Is patent activity under CPC B41F35/04 growing?
Publication counts under this code: 3 in 2023 vs 1 in 2025 (latest complete years).