based on iron, e.g. ferro-alloys

based on iron, e.g. ferro-alloys · 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 codeC22C35/005
Official title{based on iron, e.g. ferro-alloys}
Display labelbased on iron, e.g. ferro-alloys
Total patents26

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
20151
20164
20173
20182
20202
20214
20222
20234
20242
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 C22C35/005?
CPC C22C35/005 is the Cooperative Patent Classification code for “based on iron, e.g. ferro-alloys.”
How many patents are filed under CPC C22C35/005 (based on iron, e.g. ferro-alloys)?
Our database includes 26 publications tagged with this CPC code.
Is patent activity under CPC C22C35/005 growing?
Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).