by cold-rolling

by cold-rolling · 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 codeB21B2001/221
Official title{by cold-rolling}
Display labelby cold-rolling
Total patents123

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
20152
20168
201712
20189
20198
202011
20218
202216
202313
202420
202514
20262

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 B21B2001/221?
CPC B21B2001/221 is the Cooperative Patent Classification code for “by cold-rolling.”
How many patents are filed under CPC B21B2001/221 (by cold-rolling)?
Our database includes 123 publications tagged with this CPC code.
Is patent activity under CPC B21B2001/221 growing?
Publication counts under this code: 20 in 2024 vs 14 in 2025 (latest complete years).