of refractory metals

of refractory metals · 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 codeC25F3/08
Official titleof refractory metals
Display labelof refractory metals
Total patents40

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
20152
20163
20173
20186
20194
20206
20213
20222
20232
20246
20253

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 C25F3/08?
CPC C25F3/08 is the Cooperative Patent Classification code for “of refractory metals.”
How many patents are filed under CPC C25F3/08 (of refractory metals)?
Our database includes 40 publications tagged with this CPC code.
Is patent activity under CPC C25F3/08 growing?
Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).