the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another

the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another · 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 codeF28D1/0325
Official title{the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another}
Display labelthe plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another
Total patents66

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
20152
20161
20175
20187
20198
202010
202112
20225
20235
20245
20256

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 F28D1/0325?
CPC F28D1/0325 is the Cooperative Patent Classification code for “the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another.”
How many patents are filed under CPC F28D1/0325 (the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another)?
Our database includes 66 publications tagged with this CPC code.
Is patent activity under CPC F28D1/0325 growing?
Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).