detecting viscosity

detecting viscosity · 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 codeB41J2/04571
Official title{detecting viscosity}
Display labeldetecting viscosity
Total patents174

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
20158
20166
20177
20188
201910
202024
202118
202223
202320
202418
202523
20269

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 B41J2/04571?
CPC B41J2/04571 is the Cooperative Patent Classification code for “detecting viscosity.”
How many patents are filed under CPC B41J2/04571 (detecting viscosity)?
Our database includes 174 publications tagged with this CPC code.
Is patent activity under CPC B41J2/04571 growing?
Publication counts under this code: 18 in 2024 vs 23 in 2025 (latest complete years).