compositions used for making ferrous alloys

compositions used for making ferrous 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 codeC22C33/006
Official title{compositions used for making ferrous alloys}
Display labelcompositions used for making ferrous alloys
Total patents57

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20163
20174
20183
20191
20205
20215
20226
20233
20245
202517
20265

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 C22C33/006?
CPC C22C33/006 is the Cooperative Patent Classification code for “compositions used for making ferrous alloys.”
How many patents are filed under CPC C22C33/006 (compositions used for making ferrous alloys)?
Our database includes 57 publications tagged with this CPC code.
Is patent activity under CPC C22C33/006 growing?
Publication counts under this code: 5 in 2024 vs 17 in 2025 (latest complete years).