Variation across the area of the layer

Variation across the area of the layer · 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 codeB32B5/142
Official title{Variation across the area of the layer}
Display labelVariation across the area of the layer
Total patents577

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
201528
201659
201756
201861
201963
202056
202156
202245
202341
202455
202545
202612

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 B32B5/142?
CPC B32B5/142 is the Cooperative Patent Classification code for “Variation across the area of the layer.”
How many patents are filed under CPC B32B5/142 (Variation across the area of the layer)?
Our database includes 577 publications tagged with this CPC code.
Is patent activity under CPC B32B5/142 growing?
Publication counts under this code: 55 in 2024 vs 45 in 2025 (latest complete years).