top layer/ last layer, i.e. first layer from the top surface

top layer/ last layer, i.e. first layer from the top surface · 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 codeB05D2425/01
Official titletop layer/ last layer, i.e. first layer from the top surface
Display labeltop layer/ last layer, i.e. first layer from the top surface
Total patents86

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20156
20164
20173
20188
20197
20206
20219
202215
20239
20248
20259
20262

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 B05D2425/01?
CPC B05D2425/01 is the Cooperative Patent Classification code for “top layer/ last layer, i.e. first layer from the top surface.”
How many patents are filed under CPC B05D2425/01 (top layer/ last layer, i.e. first layer from the top surface)?
Our database includes 86 publications tagged with this CPC code.
Is patent activity under CPC B05D2425/01 growing?
Publication counts under this code: 8 in 2024 vs 9 in 2025 (latest complete years).