in which the temperature of the medium is below that of the ambient temperature

in which the temperature of the medium is below that of the ambient temperature · 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 codeF16L59/141
Official title{in which the temperature of the medium is below that of the ambient temperature}
Display labelin which the temperature of the medium is below that of the ambient temperature
Total patents133

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
20158
20165
20176
201811
201916
202023
202114
202213
202313
20248
202510
20266

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 F16L59/141?
CPC F16L59/141 is the Cooperative Patent Classification code for “in which the temperature of the medium is below that of the ambient temperature.”
How many patents are filed under CPC F16L59/141 (in which the temperature of the medium is below that of the ambient temperature)?
Our database includes 133 publications tagged with this CPC code.
Is patent activity under CPC F16L59/141 growing?
Publication counts under this code: 8 in 2024 vs 10 in 2025 (latest complete years).