using carbon

using carbon · 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 codeC22C1/055
Official titleusing carbon
Display labelusing carbon
Total patents32

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
20161
20172
20184
20191
20205
20215
20224
20231
20244
20253
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 C22C1/055?
CPC C22C1/055 is the Cooperative Patent Classification code for “using carbon.”
How many patents are filed under CPC C22C1/055 (using carbon)?
Our database includes 32 publications tagged with this CPC code.
Is patent activity under CPC C22C1/055 growing?
Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).