Heat exchanger fitted with upstream cover to reduce disturbance to fluid flow in a turbomachine
US-2018356157-A1 · Dec 13, 2018 · US
with air flow channels
with air flow channels · 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 | F28D1/0233 |
| Official title | {with air flow channels} |
| Display label | with air flow channels |
| Total patents | 177 |
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 | 17 |
| 2016 | 14 |
| 2017 | 11 |
| 2018 | 19 |
| 2019 | 16 |
| 2020 | 26 |
| 2021 | 27 |
| 2022 | 16 |
| 2023 | 10 |
| 2024 | 12 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Radiator unit for a motor vehicle
US-10150362-B2 · Dec 11, 2018 · US
Vehicle heat exchange apparatus
US-2018347909-A1 · Dec 6, 2018 · US
Vehicle heat exchange apparatus
US-2018340735-A1 · Nov 29, 2018 · US
Multifluid heat exchanger
US-2018328669-A1 · Nov 15, 2018 · US
Air-cooling system for fluidic machine
US-10107305-B2 · Oct 23, 2018 · US
Outlet guide vane for aircraft turbomachine, with improved lubricant cooling function
US-2018258779-A1 · Sep 13, 2018 · US
Cab/maar concept improvement
US-2018238626-A1 · Aug 23, 2018 · US
Heat exchanger with self-retaining bypass seal
US-9951995-B2 · Apr 24, 2018 · US
Dual seated by-pass valve for surface coolers
US-2018087852-A1 · Mar 29, 2018 · US
Heat exchange system
US-9927179-B2 · Mar 27, 2018 · US
Heat exchanger and method for producing a heat exchanger
US-9927180-B2 · Mar 27, 2018 · US
Liquid Cooling System with Extended Microchannel and Method Therefor
US-2018054924-A1 · Feb 22, 2018 · US
Automotive air intake utilizing a vortex generating airflow system
US-9897121-B1 · Feb 20, 2018 · US
Air conditioner
US-9897351-B2 · Feb 20, 2018 · US
Heat exchanger, refrigeration cycle apparatus, and method of manufacturing heat exchanger
US-9874402-B2 · Jan 23, 2018 · US
Air-cooling system for fluidic machine
US-2018017082-A1 · Jan 18, 2018 · US
Heat exchanger for a turbo engine
US-9863320-B2 · Jan 9, 2018 · US
Tube in cross-flow conduit heat exchanger
US-9835380-B2 · Dec 5, 2017 · US
Radiator unit for a motor vehicle
US-2017341506-A1 · Nov 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28D1/0233?
- CPC F28D1/0233 is the Cooperative Patent Classification code for “with air flow channels.”
- How many patents are filed under CPC F28D1/0233 (with air flow channels)?
- Our database includes 177 publications tagged with this CPC code.
- Is patent activity under CPC F28D1/0233 growing?
- Publication counts under this code: 12 in 2024 vs 7 in 2025 (latest complete years).