Expanded clay

Expanded clay · 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 codeC04B14/12
Official titleExpanded clay
Display labelExpanded clay
Total patents26

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
20171
20185
20192
20203
20211
20222
20235
20245
20252

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 C04B14/12?
CPC C04B14/12 is the Cooperative Patent Classification code for “Expanded clay.”
How many patents are filed under CPC C04B14/12 (Expanded clay)?
Our database includes 26 publications tagged with this CPC code.
Is patent activity under CPC C04B14/12 growing?
Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).