Microchannel flat tube and microchannel heat exchanger
US-12117248-B2 · Oct 15, 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 | F28F1/24 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 224 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 14 |
| 2017 | 21 |
| 2018 | 22 |
| 2019 | 23 |
| 2020 | 22 |
| 2021 | 21 |
| 2022 | 27 |
| 2023 | 23 |
| 2024 | 17 |
| 2025 | 15 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat exchanger unit
US-10151537-B2 · Dec 11, 2018 · US
Adsorber and adsorption refrigerator
US-10101066-B2 · Oct 16, 2018 · US
Condenser tubes with additional flank structure
US-10094625-B2 · Oct 9, 2018 · US
Defrosting device and refrigerator having the same
US-2018283766-A1 · Oct 4, 2018 · US
Heat exchanger and method for manufacturing same
US-10048010-B2 · Aug 14, 2018 · US
Wick structure and loop heat pipe using same
US-2018209746-A1 · Jul 26, 2018 · US
Water cooling heat radiation device and module thereof
US-9986661-B2 · May 29, 2018 · US
Apparatus and method for heating a liquefied stream
US-9951906-B2 · Apr 24, 2018 · US
Manifolded heat exchangers and related systems
US-9943014-B2 · Apr 10, 2018 · US
Water-cooling radiator assembly
US-2018092246-A1 · Mar 29, 2018 · US
Heat sink structure
US-9851158-B2 · Dec 26, 2017 · US
Cold-water generating tank, and water cooler equippped with same
US-2017362073-A1 · Dec 21, 2017 · US
Free cooling in high humidity environments
US-2017347499-A1 · Nov 30, 2017 · US
Heat exchanger and water heater
US-9829257-B2 · Nov 28, 2017 · US
Re-direction of vapor flow across tubular condensers
US-2017307300-A1 · Oct 26, 2017 · US
Heat exchanger and refrigeration cycle apparatus
US-9791189-B2 · Oct 17, 2017 · US
Cleaning apparatus for heat exchange tubes of air cooled heat exchangers
US-9784510-B2 · Oct 10, 2017 · US
Heat exchanger for aircraft engine
US-2017284750-A1 · Oct 5, 2017 · US
Compact tube and plate condenser with cooling fins
US-2017261270-A1 · Sep 14, 2017 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F1/24?
- CPC F28F1/24 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F28F1/24 (Mechanical Engineering)?
- Our database includes 224 publications tagged with this CPC code.
- Is patent activity under CPC F28F1/24 growing?
- Publication counts under this code: 17 in 2024 vs 15 in 2025 (latest complete years).