at focal points, e.g. of refractors, lenses, reflectors or arrays of light sources

at focal points, e.g. of refractors, lenses, reflectors or arrays of light sources · 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 codeF21V9/35
Official titleat focal points, e.g. of refractors, lenses, reflectors or arrays of light sources
Display labelat focal points, e.g. of refractors, lenses, reflectors or arrays of light sources
Total patents122

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
20157
20168
20176
201814
201924
20209
20216
202217
202312
202413
20254
20262

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 F21V9/35?
CPC F21V9/35 is the Cooperative Patent Classification code for “at focal points, e.g. of refractors, lenses, reflectors or arrays of light sources.”
How many patents are filed under CPC F21V9/35 (at focal points, e.g. of refractors, lenses, reflectors or arrays of light sources)?
Our database includes 122 publications tagged with this CPC code.
Is patent activity under CPC F21V9/35 growing?
Publication counts under this code: 13 in 2024 vs 4 in 2025 (latest complete years).