characterised by screens, non-reflecting members, light-shielding members or fixed shades

characterised by screens, non-reflecting members, light-shielding members or fixed shades · Cooperative Patent Classification (CPC)

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

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeF21S41/40
Official titlecharacterised by screens, non-reflecting members, light-shielding members or fixed shades
Display labelcharacterised by screens, non-reflecting members, light-shielding members or fixed shades
Total patents663

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201517
201618
201745
201854
201977
202058
202174
202275
202370
202484
202574
202617

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 F21S41/40?
CPC F21S41/40 is the Cooperative Patent Classification code for “characterised by screens, non-reflecting members, light-shielding members or fixed shades.”
How many patents are filed under CPC F21S41/40 (characterised by screens, non-reflecting members, light-shielding members or fixed shades)?
Our database includes 663 publications tagged with this CPC code.
Is patent activity under CPC F21S41/40 growing?
Publication counts under this code: 84 in 2024 vs 74 in 2025 (latest complete years).