What is CPC F21S41/10?

CPC F21S41/10 is the Cooperative Patent Classification code for “characterised by the light source.”

How many patents are filed under CPC F21S41/10 (characterised by the light source)?

Our database includes 168 publications tagged with this CPC code.

Publication counts under this code: 23 in 2024 vs 10 in 2025 (latest complete years).

characterised by the light source · 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	F21S41/10
Official title	characterised by the light source
Display label	characterised by the light source
Total patents	168

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 F21S41/10?: CPC F21S41/10 is the Cooperative Patent Classification code for “characterised by the light source.”
How many patents are filed under CPC F21S41/10 (characterised by the light source)?: Our database includes 168 publications tagged with this CPC code.
Is patent activity under CPC F21S41/10 growing?: Publication counts under this code: 23 in 2024 vs 10 in 2025 (latest complete years).