Machines, plants or systems, using evaporation of a refrigerant but without recovery of the vapour

Machines, plants or systems, using evaporation of a refrigerant but without recovery of the vapour · 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 codeF25B19/00
Official titleMachines, plants or systems, using evaporation of a refrigerant but without recovery of the vapour
Display labelMachines, plants or systems, using evaporation of a refrigerant but without recovery of the vapour
Total patents102

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
20151
20166
201713
20186
201910
202014
20216
202215
202314
202412
20254
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 F25B19/00?
CPC F25B19/00 is the Cooperative Patent Classification code for “Machines, plants or systems, using evaporation of a refrigerant but without recovery of the vapour.”
How many patents are filed under CPC F25B19/00 (Machines, plants or systems, using evaporation of a refrigerant but without recovery of the vapour)?
Our database includes 102 publications tagged with this CPC code.
Is patent activity under CPC F25B19/00 growing?
Publication counts under this code: 12 in 2024 vs 4 in 2025 (latest complete years).