Ink viscosity control means

Ink viscosity control means · 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 codeB41F31/005
Official title{Ink viscosity control means}
Display labelInk viscosity control means
Total patents34

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
20152
20164
20172
20184
20194
20202
20211
20223
20234
20246
20252

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 B41F31/005?
CPC B41F31/005 is the Cooperative Patent Classification code for “Ink viscosity control means.”
How many patents are filed under CPC B41F31/005 (Ink viscosity control means)?
Our database includes 34 publications tagged with this CPC code.
Is patent activity under CPC B41F31/005 growing?
Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).