What is CPC F41C23/18?

CPC F41C23/18 is the Cooperative Patent Classification code for “characterised by the material used (F41C23/08 takes precedence).”

How many patents are filed under CPC F41C23/18 (characterised by the material used (F41C23/08 takes precedence))?

Our database includes 25 publications tagged with this CPC code.

Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).

characterised by the material used (F41C23/08 takes precedence) · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	F41C23/18
Official title	characterised by the material used (F41C23/08 takes precedence)
Display label	characterised by the material used (F41C23/08 takes precedence)
Total patents	25

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

Filing activity over the last five years is declining.

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Answers are generated from the same data shown on this page.

What is CPC F41C23/18?: CPC F41C23/18 is the Cooperative Patent Classification code for “characterised by the material used (F41C23/08 takes precedence).”
How many patents are filed under CPC F41C23/18 (characterised by the material used (F41C23/08 takes precedence))?: Our database includes 25 publications tagged with this CPC code.
Is patent activity under CPC F41C23/18 growing?: Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).