Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium {(F28D15/02 takes precedence)}

Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium {(F28D15/02 takes precedence)} · 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 codeF28D19/00
Official titleRegenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium {(F28D15/02 takes precedence)}
Display labelRegenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium {(F28D15/02 takes precedence)}
Total patents27

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
20153
20163
20175
20182
20192
20203
20211
20224
20242
20252

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 F28D19/00?
CPC F28D19/00 is the Cooperative Patent Classification code for “Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium {(F28D15/02 takes precedence)}.”
How many patents are filed under CPC F28D19/00 (Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium {(F28D15/02 takes precedence)})?
Our database includes 27 publications tagged with this CPC code.
Is patent activity under CPC F28D19/00 growing?
Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).