Ceramic interlayers

Ceramic interlayers · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC04B2237/04
Official titleCeramic interlayers
Display labelCeramic interlayers
Total patents35

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20151
20168
20174
20183
20193
20202
20212
20222
20232
20244
20253
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 C04B2237/04?
CPC C04B2237/04 is the Cooperative Patent Classification code for “Ceramic interlayers.”
How many patents are filed under CPC C04B2237/04 (Ceramic interlayers)?
Our database includes 35 publications tagged with this CPC code.
Is patent activity under CPC C04B2237/04 growing?
Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).