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 | F28F1/20 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 102 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 13 |
| 2021 | 8 |
| 2022 | 15 |
| 2023 | 13 |
| 2024 | 9 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Water heater
US-11512871-B2 · Nov 29, 2022 · US
Air cooled condenser and related methods
US-11504814-B2 · Nov 22, 2022 · US
Cooling package cleaning system
US-11428481-B2 · Aug 30, 2022 · US
Heat exchanger and refrigeration cycle apparatus
US-2022236012-A1 · Jul 28, 2022 · US
Microchannel flat tube and microchannel heat exchanger
US-11353271-B2 · Jun 7, 2022 · US
Heat exchanger
US-2022074679-A1 · Mar 10, 2022 · US
Heat exchanger, refrigeration cycle device, and air-conditioning apparatus
US-11175053-B2 · Nov 16, 2021 · US
Heat exchanger and method of manufacturing the same
US-11079180-B2 · Aug 3, 2021 · US
Cooling package cleaning system
US-2021170455-A1 · Jun 10, 2021 · US
Microchannel flat tube and microchannel heat exchanger
US-2021156622-A1 · May 27, 2021 · US
Heat dissipation device
US-2021136957-A1 · May 6, 2021 · US
Heat exchanger, heat exchanger unit, and refrigeration cycle apparatus
US-2021108864-A1 · Apr 15, 2021 · US
Heat Exchanger Tubes And Tube Assembly Configurations
US-2021102730-A1 · Apr 8, 2021 · US
Air cooled condenser and related methods
US-2021031315-A1 · Feb 4, 2021 · US
Threaded connecting member and threaded connecting structure with radiating function
US-10859108-B2 · Dec 8, 2020 · US
Heat dissipation device and board card
US-2020363135-A1 · Nov 19, 2020 · US
Electronic apparatus
US-10831247-B2 · Nov 10, 2020 · US
Heat sink
US-10809011-B2 · Oct 20, 2020 · US
Cooling system for high-performance computer
US-10806056-B2 · Oct 13, 2020 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F1/20?
- CPC F28F1/20 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F28F1/20 (Mechanical Engineering)?
- Our database includes 102 publications tagged with this CPC code.
- Is patent activity under CPC F28F1/20 growing?
- Publication counts under this code: 9 in 2024 vs 11 in 2025 (latest complete years).