Air circulating in closed loop within enclosure wherein heat is removed through heat-exchangers

Air circulating in closed loop within enclosure wherein heat is removed through heat-exchangers · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeH05K7/202
Official title{Air circulating in closed loop within enclosure wherein heat is removed through heat-exchangers}
Display labelAir circulating in closed loop within enclosure wherein heat is removed through heat-exchangers
Total patents328

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
201524
201615
201731
201822
201922
202032
202126
202232
202339
202442
202533
202610

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 H05K7/202?
CPC H05K7/202 is the Cooperative Patent Classification code for “Air circulating in closed loop within enclosure wherein heat is removed through heat-exchangers.”
How many patents are filed under CPC H05K7/202 (Air circulating in closed loop within enclosure wherein heat is removed through heat-exchangers)?
Our database includes 328 publications tagged with this CPC code.
Is patent activity under CPC H05K7/202 growing?
Publication counts under this code: 42 in 2024 vs 33 in 2025 (latest complete years).