Troughs or like reservoirs with immersed or partly immersed, rollers or cylinders

Troughs or like reservoirs with immersed or partly immersed, rollers or cylinders · 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 codeB41F31/06
Official titleTroughs or like reservoirs with immersed or partly immersed, rollers or cylinders
Display labelTroughs or like reservoirs with immersed or partly immersed, rollers or cylinders
Total patents41

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20153
20166
20171
20182
20191
20204
20213
20226
20238
20242
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 B41F31/06?
CPC B41F31/06 is the Cooperative Patent Classification code for “Troughs or like reservoirs with immersed or partly immersed, rollers or cylinders.”
How many patents are filed under CPC B41F31/06 (Troughs or like reservoirs with immersed or partly immersed, rollers or cylinders)?
Our database includes 41 publications tagged with this CPC code.
Is patent activity under CPC B41F31/06 growing?
Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).