High pressure capable liquid to refrigerant heat exchanger
US-11209212-B2 · Dec 28, 2021 · US
Longitudinal partitions
Longitudinal partitions · 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 | F28F2009/224 |
| Official title | {Longitudinal partitions} |
| Display label | Longitudinal partitions |
| Total patents | 117 |
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 | 2 |
| 2016 | 4 |
| 2017 | 10 |
| 2018 | 9 |
| 2019 | 14 |
| 2020 | 14 |
| 2021 | 19 |
| 2022 | 16 |
| 2023 | 9 |
| 2024 | 12 |
| 2025 | 4 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat exchanger vane with partial height airflow modifier
US-11209223-B2 · Dec 28, 2021 · US
Heat Exchange Device
US-2021325118-A1 · Oct 21, 2021 · US
Cooling device
US-2021262711-A1 · Aug 26, 2021 · US
Heating and hot water supply system
US-2021123631-A1 · Apr 29, 2021 · US
Cooling device and compressor system
US-10914319-B2 · Feb 9, 2021 · US
Liner tube for the inlet channel of a plate heat exchanger
US-10883776-B2 · Jan 5, 2021 · US
Helically baffled heat exchanger
US-2020378697-A1 · Dec 3, 2020 · US
Compressor systems and heat exchangers
US-10809008-B2 · Oct 20, 2020 · US
Shell-and-tube heat exchanger
US-2020292238-A1 · Sep 17, 2020 · US
Integrated heat exchanger
US-2020271398-A1 · Aug 27, 2020 · US
Vapour-liquid filter mesh, heat exchanger and air conditioner
US-2020182521-A1 · Jun 11, 2020 · US
Heat exchanger
US-2020166280-A1 · May 28, 2020 · US
True countercurrent heat exchanger with sealing arrangement
US-10663230-B2 · May 26, 2020 · US
Method for removing a contamination layer by an atomic layer etching process
US-2020142327-A1 · May 7, 2020 · US
Heat exchanger
US-10627165-B2 · Apr 21, 2020 · US
U-tube heat exchanger
US-10627166-B2 · Apr 21, 2020 · US
Refrigerant evaporator and method for manufacturing same
US-2020049382-A1 · Feb 13, 2020 · US
Micro-channel evaporator having compartmentalized distribution
US-10551099-B2 · Feb 4, 2020 · US
Heat exchanger with adjacent inlets and outlets
US-10545001-B2 · Jan 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F2009/224?
- CPC F28F2009/224 is the Cooperative Patent Classification code for “Longitudinal partitions.”
- How many patents are filed under CPC F28F2009/224 (Longitudinal partitions)?
- Our database includes 117 publications tagged with this CPC code.
- Is patent activity under CPC F28F2009/224 growing?
- Publication counts under this code: 12 in 2024 vs 4 in 2025 (latest complete years).