Passive two phase heat transfer systems
US-11073340-B2 · Jul 27, 2021 · 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 | F28F1/14 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 101 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 11 |
| 2017 | 9 |
| 2018 | 9 |
| 2019 | 12 |
| 2020 | 12 |
| 2021 | 17 |
| 2022 | 6 |
| 2023 | 8 |
| 2024 | 6 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Counter flow heat exchanger
US-11002487-B2 · May 11, 2021 · US
Method and apparatus for temperature control in a pet detector
US-10842447-B2 · Nov 24, 2020 · US
Flow mixer duct for a bleed system
US-2020363142-A1 · Nov 19, 2020 · US
Heat exchange component
US-10837342-B2 · Nov 17, 2020 · US
Combustion apparatus
US-10767901-B2 · Sep 8, 2020 · US
Combustion apparatus
US-10753642-B2 · Aug 25, 2020 · US
Heat Sink
US-2020232715-A1 · Jul 23, 2020 · US
Heat exchanger and air-conditioning system
US-2020191501-A1 · Jun 18, 2020 · US
Finned Heat-Exchange System
US-2020173725-A1 · Jun 4, 2020 · US
Heat sink and frequency converter
US-2020128696-A1 · Apr 23, 2020 · US
Heat exchanger and air-conditioning apparatus
US-2020103148-A1 · Apr 2, 2020 · US
Heat exchanger and air conditioner having the same
US-2020096206-A1 · Mar 26, 2020 · US
Heat exchanger
US-2020011604-A1 · Jan 9, 2020 · US
Passive two phase heat transfer systems
US-2019293358-A1 · Sep 26, 2019 · US
3D printed heat exchanger
US-10406601-B2 · Sep 10, 2019 · US
Heat dissipation device
US-10371457-B2 · Aug 6, 2019 · US
Insulator with swaged perforated flanges and method of manufacturing insulator
US-2019234286-A1 · Aug 1, 2019 · US
Heat exchanger, boiler, and setting method for heat exchanger
US-2019226774-A1 · Jul 25, 2019 · US
Combustion apparatus
US-2019186784-A1 · Jun 20, 2019 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F1/14?
- CPC F28F1/14 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F28F1/14 (Mechanical Engineering)?
- Our database includes 101 publications tagged with this CPC code.
- Is patent activity under CPC F28F1/14 growing?
- Publication counts under this code: 6 in 2024 vs 6 in 2025 (latest complete years).