Layered products essentially comprising ceramics, e.g. refractory products

Layered products essentially comprising ceramics, e.g. refractory products · 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 codeB32B18/00
Official titleLayered products essentially comprising ceramics, e.g. refractory products
Display labelLayered products essentially comprising ceramics, e.g. refractory products
Total patents2,217

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
2015158
2016180
2017195
2018198
2019196
2020228
2021223
2022197
2023206
2024207
2025186
202643

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 B32B18/00?
CPC B32B18/00 is the Cooperative Patent Classification code for “Layered products essentially comprising ceramics, e.g. refractory products.”
How many patents are filed under CPC B32B18/00 (Layered products essentially comprising ceramics, e.g. refractory products)?
Our database includes 2,217 publications tagged with this CPC code.
Is patent activity under CPC B32B18/00 growing?
Publication counts under this code: 207 in 2024 vs 186 in 2025 (latest complete years).