Heat exchanger and cooling method
US-11994346-B2 · May 28, 2024 · US
Mechanical Engineering
Mechanical Engineering · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F25B39/02 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 1,368 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 79 |
| 2016 | 69 |
| 2017 | 101 |
| 2018 | 118 |
| 2019 | 134 |
| 2020 | 151 |
| 2021 | 135 |
| 2022 | 150 |
| 2023 | 140 |
| 2024 | 148 |
| 2025 | 115 |
| 2026 | 28 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Plate-fin heat exchanger
US-2024035750-A1 · Feb 1, 2024 · US
Drain hose assembly and refrigerator including the same
US-9212844-B2 · Dec 15, 2015 · US
Air conditioner with selective filtering for air purification
US-2015354874-A1 · Dec 10, 2015 · US
Refrigerant management in a hvac system
US-2015354873-A1 · Dec 10, 2015 · US
Air conditioner with selective filtering for air purification
US-2015354871-A1 · Dec 10, 2015 · US
Air conditioner with selective filtering for air purification
US-2015354872-A1 · Dec 10, 2015 · US
Dryer having evaporator equipped with second condenser
US-9207015-B2 · Dec 8, 2015 · US
Evaporator
US-9200822-B2 · Dec 1, 2015 · US
Evaporator
US-9200849-B2 · Dec 1, 2015 · US
Composition for preventing odors containing ordorless microorganism
US-2015337257-A1 · Nov 26, 2015 · US
Heat exchange sytem and method of producing the same
US-2015314406-A1 · Nov 5, 2015 · US
Low pressure chiller
US-2015316325-A1 · Nov 5, 2015 · US
Heat transfer compositions
US-9175202-B2 · Nov 3, 2015 · US
Electronics cooling using lubricant return for a shell-and-tube style evaporator
US-2015300707-A1 · Oct 22, 2015 · US
Evaporator and a method for forming an evaporator
US-2015292814-A1 · Oct 15, 2015 · US
Water head for an evaporator
US-2015285570-A1 · Oct 8, 2015 · US
Refrigerant evaporator
US-2015285544-A1 · Oct 8, 2015 · US
Vacuum insulated structure tubular cabinet construction
US-2015267958-A1 · Sep 24, 2015 · US
Method and apparatus for noise attenuation for hvac&r system
US-2015252868-A1 · Sep 10, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25B39/02?
- CPC F25B39/02 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F25B39/02 (Mechanical Engineering)?
- Our database includes 1,368 publications tagged with this CPC code.
- Is patent activity under CPC F25B39/02 growing?
- Publication counts under this code: 148 in 2024 vs 115 in 2025 (latest complete years).