Plate heat exchanger
US-10156405-B2 · Dec 18, 2018 · 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 | F28F3/04 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 332 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 16 |
| 2017 | 22 |
| 2018 | 38 |
| 2019 | 45 |
| 2020 | 37 |
| 2021 | 41 |
| 2022 | 34 |
| 2023 | 22 |
| 2024 | 33 |
| 2025 | 27 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
3D printed thermal management system
US-10146275-B2 · Dec 4, 2018 · US
Method for manufacturing liquid-cooled jacket, and liquid-cooled jacket
US-2018243858-A1 · Aug 30, 2018 · US
Heat exchanger
US-2018238585-A1 · Aug 23, 2018 · US
Water-cooling radiator unit and water-cooling module using same
US-10058007-B2 · Aug 21, 2018 · US
Heat exchanger
US-2018209690-A1 · Jul 26, 2018 · US
Heat exchanger comprising one or more plate assemblies with a plurality of interconnected channels and related method
US-2018156543-A1 · Jun 7, 2018 · US
Water-cooling radiator unit and water-cooling module using same
US-2018092249-A1 · Mar 29, 2018 · US
Laminated heat exchanger including a heat sink and a thermoelectric device
US-9921007-B2 · Mar 20, 2018 · US
Heat exchanger with embedded heat pipes
US-9863716-B2 · Jan 9, 2018 · US
3d spiral heat exchanger
US-2017370652-A1 · Dec 28, 2017 · US
Sublimator Having A Porous Plate With Integral Primary And Secondary Heat Transfer Surfaces
US-2017350626-A1 · Dec 7, 2017 · US
Solvent separation method and solvent separation apparatus
US-2017341085-A1 · Nov 30, 2017 · US
Article and process for producing an article
US-9796048-B2 · Oct 24, 2017 · US
Heat sink for power circuits
US-9801306-B2 · Oct 24, 2017 · US
Cooling electronic devices in a data center
US-2017303441-A1 · Oct 19, 2017 · US
Method of fabricating a heat sink
US-9791219-B2 · Oct 17, 2017 · US
Air guide-integrated evaporation cooler and method for manufacturing same
US-2017276434-A1 · Sep 28, 2017 · US
Can-type heat exchanger
US-9759498-B2 · Sep 12, 2017 · US
3D Printed Thermal Management System
US-2017235349-A1 · Aug 17, 2017 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F3/04?
- CPC F28F3/04 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F28F3/04 (Mechanical Engineering)?
- Our database includes 332 publications tagged with this CPC code.
- Is patent activity under CPC F28F3/04 growing?
- Publication counts under this code: 33 in 2024 vs 27 in 2025 (latest complete years).