Freezing surface state

Freezing surface state · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeF25C2400/02
Official titleFreezing surface state
Display labelFreezing surface state
Total patents31

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
20151
20161
20173
20181
20201
20218
20223
20232
20244
20257

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 F25C2400/02?
CPC F25C2400/02 is the Cooperative Patent Classification code for “Freezing surface state.”
How many patents are filed under CPC F25C2400/02 (Freezing surface state)?
Our database includes 31 publications tagged with this CPC code.
Is patent activity under CPC F25C2400/02 growing?
Publication counts under this code: 4 in 2024 vs 7 in 2025 (latest complete years).