Hierarchical hydrophilic/hydrophobic micro/nanostructures for pushing the limits of critical heat flux
US-10492333-B2 · Nov 26, 2019 · US
hydrophobic
hydrophobic · 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 | F28F2245/04 |
| Official title | hydrophobic |
| Display label | hydrophobic |
| Total patents | 185 |
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 | 12 |
| 2016 | 11 |
| 2017 | 11 |
| 2018 | 22 |
| 2019 | 19 |
| 2020 | 29 |
| 2021 | 21 |
| 2022 | 17 |
| 2023 | 17 |
| 2024 | 21 |
| 2025 | 2 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Surface Active Coating Composition
US-2019338150-A1 · Nov 7, 2019 · US
Method of coating heat transfer components to impart superhydrophobicity
US-2019330734-A1 · Oct 31, 2019 · US
Heat exchanger system and method of operation
US-10197342-B2 · Feb 5, 2019 · US
Heat Dissipation Device
US-2018372418-A1 · Dec 27, 2018 · US
Heat dissipation device
US-2018372431-A1 · Dec 27, 2018 · US
Method of manufacturing a heat dissipation device
US-2018369971-A1 · Dec 27, 2018 · US
Method of manufacturing a heat dissipation device
US-2018369896-A1 · Dec 27, 2018 · US
Method of manufacturing a heat dissipation unit
US-2018361460-A1 · Dec 20, 2018 · US
System for coating heat transfer tube for condenser
US-10155245-B2 · Dec 18, 2018 · US
Hybrid metal-polymer heat exchanger
US-2018356169-A1 · Dec 13, 2018 · US
Hydrophobic heat exchangers
US-2018306533-A1 · Oct 25, 2018 · US
Air-temperature conditioning system having a frost resistant heat exchanger
US-2018306486-A1 · Oct 25, 2018 · US
Supernucleating multiscale copper surfaces for high performance phase change heat transfer
US-10100411-B2 · Oct 16, 2018 · US
Coolant system pressure drop reduction
US-2018283526-A1 · Oct 4, 2018 · US
Heat transfer tube, air-heated evaporator and method for producing a heat transfer tube
US-2018274868-A1 · Sep 27, 2018 · US
Heat transfer tube having superhydrophobic surface and method for manufacturing the same
US-2018266776-A1 · Sep 20, 2018 · US
Sanitation systems and components thereof having a slippery surface
US-2018187022-A1 · Jul 5, 2018 · US
Heat pipe having wick formed with hydrophilic and water-repellent treated surfaces
US-9982949-B2 · May 29, 2018 · US
Heat transfer tube having rare-earth oxide superhydrophobic surface and method for manufacturing the same
US-2018135927-A1 · May 17, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F2245/04?
- CPC F28F2245/04 is the Cooperative Patent Classification code for “hydrophobic.”
- How many patents are filed under CPC F28F2245/04 (hydrophobic)?
- Our database includes 185 publications tagged with this CPC code.
- Is patent activity under CPC F28F2245/04 growing?
- Publication counts under this code: 21 in 2024 vs 2 in 2025 (latest complete years).