Slim vapor chamber
US-10502498-B2 · Dec 10, 2019 · US
for conduits
for conduits · 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 | F28F2225/04 |
| Official title | for conduits |
| Display label | for conduits |
| Total patents | 263 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 17 |
| 2017 | 14 |
| 2018 | 19 |
| 2019 | 35 |
| 2020 | 34 |
| 2021 | 32 |
| 2022 | 30 |
| 2023 | 31 |
| 2024 | 18 |
| 2025 | 25 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat exchanger
US-10488121-B2 · Nov 26, 2019 · US
Heat exchangers for multi-axis gimbal pointing or targeting systems
US-2019346209-A1 · Nov 14, 2019 · US
Stacked heat exchanger
US-2019264984-A1 · Aug 29, 2019 · US
Vapor chamber
US-2019226770-A1 · Jul 25, 2019 · US
Three-Dimensional Electronic Structure with Integrated Phase-Change Cooling
US-2019191589-A1 · Jun 20, 2019 · US
Plate heat exchanger
US-2019154348-A1 · May 23, 2019 · US
Plate heat exchanger
US-2018363990-A1 · Dec 20, 2018 · US
Thermal management devices and systems without a separate wicking structure and methods of manufacture and use
US-2018358278-A1 · Dec 13, 2018 · US
Stacked cooler
US-10147668-B2 · Dec 4, 2018 · US
Stacked-plate heat exchanger
US-2018328672-A1 · Nov 15, 2018 · US
Tube for heat exchanger
US-10113813-B2 · Oct 30, 2018 · US
Heat exchanger
US-2018283805-A1 · Oct 4, 2018 · US
Intercooler for improved durability
US-2018274867-A1 · Sep 27, 2018 · US
Siphon-type heat dissipation device and display device with same
US-2018263138-A1 · Sep 13, 2018 · US
Heat Exchanger For Cooling Multiple Layers Of Electronic Modules
US-2018252479-A1 · Sep 6, 2018 · US
Heatsink stiffener method and apparatus
US-2018252483-A1 · Sep 6, 2018 · US
Vapor chamber heat flux rectifier and thermal switch
US-10066876-B2 · Sep 4, 2018 · US
Stacked cooler
US-2018130721-A1 · May 10, 2018 · US
Heat exchanger with integral anti-icing
US-2018112934-A1 · Apr 26, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F2225/04?
- CPC F28F2225/04 is the Cooperative Patent Classification code for “for conduits.”
- How many patents are filed under CPC F28F2225/04 (for conduits)?
- Our database includes 263 publications tagged with this CPC code.
- Is patent activity under CPC F28F2225/04 growing?
- Publication counts under this code: 18 in 2024 vs 25 in 2025 (latest complete years).