Molten materials, i.e. materials solid at room temperature, e.g. metals or salts

Molten materials, i.e. materials solid at room temperature, e.g. metals or salts · 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 codeC09K5/12
Official titleMolten materials, i.e. materials solid at room temperature, e.g. metals or salts
Display labelMolten materials, i.e. materials solid at room temperature, e.g. metals or salts
Total patents61

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
20158
20165
20177
20186
20196
20202
20219
20223
20234
20245
20255
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 C09K5/12?
CPC C09K5/12 is the Cooperative Patent Classification code for “Molten materials, i.e. materials solid at room temperature, e.g. metals or salts.”
How many patents are filed under CPC C09K5/12 (Molten materials, i.e. materials solid at room temperature, e.g. metals or salts)?
Our database includes 61 publications tagged with this CPC code.
Is patent activity under CPC C09K5/12 growing?
Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).