with heat-exchange between supplied and exhausted air

with heat-exchange between supplied and exhausted air · 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 codeF24F12/001
Official title{with heat-exchange between supplied and exhausted air}
Display labelwith heat-exchange between supplied and exhausted air
Total patents109

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
20153
201610
201710
20182
201914
20208
202111
202211
202310
202417
202512
20261

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 F24F12/001?
CPC F24F12/001 is the Cooperative Patent Classification code for “with heat-exchange between supplied and exhausted air.”
How many patents are filed under CPC F24F12/001 (with heat-exchange between supplied and exhausted air)?
Our database includes 109 publications tagged with this CPC code.
Is patent activity under CPC F24F12/001 growing?
Publication counts under this code: 17 in 2024 vs 12 in 2025 (latest complete years).