with titanium or zirconium {or hafnium}

with titanium or zirconium {or hafnium} · 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 codeC01B21/076
Official titlewith titanium or zirconium {or hafnium}
Display labelwith titanium or zirconium {or hafnium}
Total patents49

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
20154
20164
20171
20185
20192
20206
20212
20228
20237
20245
20254
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 C01B21/076?
CPC C01B21/076 is the Cooperative Patent Classification code for “with titanium or zirconium {or hafnium}.”
How many patents are filed under CPC C01B21/076 (with titanium or zirconium {or hafnium})?
Our database includes 49 publications tagged with this CPC code.
Is patent activity under CPC C01B21/076 growing?
Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).