onto fibres in suspension in a gaseous medium (C03C25/143 takes precedence)

onto fibres in suspension in a gaseous medium (C03C25/143 takes precedence) · 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 codeC03C25/146
Official titleonto fibres in suspension in a gaseous medium (C03C25/143 takes precedence)
Display labelonto fibres in suspension in a gaseous medium (C03C25/143 takes precedence)
Total patents31

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
20172
20181
20208
20211
20223
20236
20246
20252
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 C03C25/146?
CPC C03C25/146 is the Cooperative Patent Classification code for “onto fibres in suspension in a gaseous medium (C03C25/143 takes precedence).”
How many patents are filed under CPC C03C25/146 (onto fibres in suspension in a gaseous medium (C03C25/143 takes precedence))?
Our database includes 31 publications tagged with this CPC code.
Is patent activity under CPC C03C25/146 growing?
Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).