Heat exchanging plate and heat exchanger
US-2024337451-A1 · Oct 10, 2024 · US
by preventing the formation of continuous films of condensate on heat-exchange surfaces, e.g. by promoting droplet formation {(F28F13/18 takes precedence)}
by preventing the formation of continuous films of condensate on heat-exchange surfaces, e.g. by promoting droplet formation {(F28F13/18 takes precedence)} · 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 | F28F13/04 |
| Official title | by preventing the formation of continuous films of condensate on heat-exchange surfaces, e.g. by promoting droplet formation {(F28F13/18 takes precedence)} |
| Display label | by preventing the formation of continuous films of condensate on heat-exchange surfaces, e.g. by promoting droplet formation {(F28F13/18 takes precedence)} |
| Total patents | 44 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 9 |
| 2018 | 1 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 6 |
| 2024 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for improving efficiency of heat transmission by steam
US-2024328730-A1 · Oct 3, 2024 · US
Heat exchanging plate and heat exchanger
US-12044486-B2 · Jul 23, 2024 · US
Liquid-repellent coatings
US-2024150582-A1 · May 9, 2024 · US
Liquid-repellent coatings
US-11912890-B2 · Feb 27, 2024 · US
Liquid-repellent coatings
US-2022403180-A1 · Dec 22, 2022 · US
Heat and mass transfer component comprising a lubricant-impregnated surface
US-11525641-B2 · Dec 13, 2022 · US
Heat exchanger, heat exchanger unit, and refrigeration cycle apparatus
US-11391521-B2 · Jul 19, 2022 · US
Liquid-repellent coatings
US-11326060-B2 · May 10, 2022 · US
Air conditioner
US-2022120451-A1 · Apr 21, 2022 · US
Methods and apparatus for dropwise excitation heat transfer
US-11300370-B2 · Apr 12, 2022 · US
Vapor condensation method
US-11204207-B2 · Dec 21, 2021 · US
Heat exchanger, heat exchanger unit, and refrigeration cycle apparatus
US-2021239409-A1 · Aug 5, 2021 · US
Controlled liquid/solid mobility using external fields on lubricant-impregnated surfaces
US-11079141-B2 · Aug 3, 2021 · US
Method and apparatus for solidifying a polar substance
US-11060781-B2 · Jul 13, 2021 · US
Heat and mass transfer component comprising a lubricant-impregnated surface
US-2020333087-A1 · Oct 22, 2020 · US
Heat exchanger system and method of operation
US-10767940-B2 · Sep 8, 2020 · US
Vapor condensation method
US-2020173739-A1 · Jun 4, 2020 · US
Liquid-repellent coatings
US-2020165461-A1 · May 28, 2020 · US
Boil-off gas recycle subsystem in natural gas liquefaction plants
US-2020056838-A1 · Feb 20, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F13/04?
- CPC F28F13/04 is the Cooperative Patent Classification code for “by preventing the formation of continuous films of condensate on heat-exchange surfaces, e.g. by promoting droplet formation {(F28F13/18 takes precedence)}.”
- How many patents are filed under CPC F28F13/04 (by preventing the formation of continuous films of condensate on heat-exchange surfaces, e.g. by promoting droplet formation {(F28F13/18 takes precedence)})?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC F28F13/04 growing?
- Publication counts under this code: 6 in 2022 vs 5 in 2024 (latest complete years).