Spreading-out the material on a substrate {, e.g. on the surface of a liquid}

Spreading-out the material on a substrate {, e.g. on the surface of a liquid} · 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 codeB29C41/12
Official titleSpreading-out the material on a substrate {, e.g. on the surface of a liquid}
Display labelSpreading-out the material on a substrate {, e.g. on the surface of a liquid}
Total patents172

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201510
201622
201713
201818
201926
202021
202115
202213
20239
202416
20258
20261

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 B29C41/12?
CPC B29C41/12 is the Cooperative Patent Classification code for “Spreading-out the material on a substrate {, e.g. on the surface of a liquid}.”
How many patents are filed under CPC B29C41/12 (Spreading-out the material on a substrate {, e.g. on the surface of a liquid})?
Our database includes 172 publications tagged with this CPC code.
Is patent activity under CPC B29C41/12 growing?
Publication counts under this code: 16 in 2024 vs 8 in 2025 (latest complete years).