Heat exchanger
US-10473401-B2 · Nov 12, 2019 · 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 | F28F9/262 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 137 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 11 |
| 2017 | 13 |
| 2018 | 17 |
| 2019 | 14 |
| 2020 | 12 |
| 2021 | 14 |
| 2022 | 15 |
| 2023 | 11 |
| 2024 | 11 |
| 2025 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat exchanger element with thermal expansion feature
US-10429133-B2 · Oct 1, 2019 · US
Double-sided roll bond condenser, double-sided roll bond condenser rushing structure, and rushing method thereof
US-2019212039-A1 · Jul 11, 2019 · US
Water-cooling radiator assembly with internal horiziontal partition members and flow disturbing members
US-2019212066-A1 · Jul 11, 2019 · US
Adjustable multi-pass heat exchanger system
US-2019137201-A1 · May 9, 2019 · US
Bent heat exchanger and method for bending the heat exchanger
US-10247482-B2 · Apr 2, 2019 · US
Stacked header, heat exchanger, and air-conditioning apparatus
US-2019093965-A1 · Mar 28, 2019 · US
Heat exchanger and refrigeration cycle device
US-2019072335-A1 · Mar 7, 2019 · US
Adjustable multi-pass heat exchanger system
US-10203171-B2 · Feb 12, 2019 · US
Heat exchanger and refrigeration cycle device
US-10156400-B2 · Dec 18, 2018 · US
Dry cooling system for powerplants
US-10132568-B2 · Nov 20, 2018 · US
Heat exchanger
US-2018259265-A1 · Sep 13, 2018 · US
Heat source unit
US-10072883-B2 · Sep 11, 2018 · US
Heat exchanger
US-2018252481-A1 · Sep 6, 2018 · US
Heat exchanger and method for manufacturing same
US-10048010-B2 · Aug 14, 2018 · US
Heat exchanger
US-2018216892-A1 · Aug 2, 2018 · US
Liquid cooling system
US-2018184547-A1 · Jun 28, 2018 · US
Refrigerant tank
US-2018180336-A1 · Jun 28, 2018 · US
Liquid cooling system
US-2018172365-A1 · Jun 21, 2018 · US
Pipe connection, in particular for a heat exchanger
US-9976821-B2 · May 22, 2018 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F9/262?
- CPC F28F9/262 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F28F9/262 (Mechanical Engineering)?
- Our database includes 137 publications tagged with this CPC code.
- Is patent activity under CPC F28F9/262 growing?
- Publication counts under this code: 11 in 2024 vs 9 in 2025 (latest complete years).