Wires; Tubes

Wires; Tubes · 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 codeC23C4/16
Official titleWires; Tubes
Display labelWires; Tubes
Total patents51

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20157
20163
20179
201810
20194
20201
20215
20222
20235
20244
20251

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 C23C4/16?
CPC C23C4/16 is the Cooperative Patent Classification code for “Wires; Tubes.”
How many patents are filed under CPC C23C4/16 (Wires; Tubes)?
Our database includes 51 publications tagged with this CPC code.
Is patent activity under CPC C23C4/16 growing?
Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).