Iron, e.g. steel

Iron, e.g. steel · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB32B2311/30
Official titleIron, e.g. steel
Display labelIron, e.g. steel
Total patents434

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
201516
201621
201722
201841
201943
202036
202155
202241
202344
202446
202543
202626

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 B32B2311/30?
CPC B32B2311/30 is the Cooperative Patent Classification code for “Iron, e.g. steel.”
How many patents are filed under CPC B32B2311/30 (Iron, e.g. steel)?
Our database includes 434 publications tagged with this CPC code.
Is patent activity under CPC B32B2311/30 growing?
Publication counts under this code: 46 in 2024 vs 43 in 2025 (latest complete years).