with openings, e.g. louvers

with openings, e.g. louvers · 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 codeF28F2215/08
Official titlewith openings, e.g. louvers
Display labelwith openings, e.g. louvers
Total patents201

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
20155
20165
20177
201811
201916
202031
202128
202231
202322
202427
202515
20263

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 F28F2215/08?
CPC F28F2215/08 is the Cooperative Patent Classification code for “with openings, e.g. louvers.”
How many patents are filed under CPC F28F2215/08 (with openings, e.g. louvers)?
Our database includes 201 publications tagged with this CPC code.
Is patent activity under CPC F28F2215/08 growing?
Publication counts under this code: 27 in 2024 vs 15 in 2025 (latest complete years).