Number of layers variable across the laminate

Number of layers variable across the laminate · 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 codeB32B2250/44
Official titleNumber of layers variable across the laminate
Display labelNumber of layers variable across the laminate
Total patents1,059

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
201520
201640
201783
2018117
2019118
2020154
2021146
2022101
2023118
202479
202570
202613

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 B32B2250/44?
CPC B32B2250/44 is the Cooperative Patent Classification code for “Number of layers variable across the laminate.”
How many patents are filed under CPC B32B2250/44 (Number of layers variable across the laminate)?
Our database includes 1,059 publications tagged with this CPC code.
Is patent activity under CPC B32B2250/44 growing?
Publication counts under this code: 79 in 2024 vs 70 in 2025 (latest complete years).