Bi-directional porous media phase change heat exchanger
US-10739089-B2 · Aug 11, 2020 · US
Coatings; Surface treatments
Coatings; Surface treatments · 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 | F28F2245/00 |
| Official title | Coatings; Surface treatments |
| Display label | Coatings; Surface treatments |
| Total patents | 181 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 10 |
| 2018 | 15 |
| 2019 | 15 |
| 2020 | 30 |
| 2021 | 20 |
| 2022 | 31 |
| 2023 | 20 |
| 2024 | 13 |
| 2025 | 14 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat pipe and method for manufacturing heat pipe
US-2020208922-A1 · Jul 2, 2020 · US
Aluminum alloy cladding material and manufacturing method therefor
US-10688601-B2 · Jun 23, 2020 · US
Flow path member
US-10684081-B2 · Jun 16, 2020 · US
Air conditioner in which a flammable refrigerant flows
US-10627127-B2 · Apr 21, 2020 · US
Aluminum alloy cladding material, manufacturing method therefor, and heat exchanger using said aluminum alloy cladding material
US-10625379-B2 · Apr 21, 2020 · US
Manufacturing method of middle member structure
US-2020108434-A1 · Apr 9, 2020 · US
Heat exchanger
US-2020064086-A1 · Feb 27, 2020 · US
Semiconductor microcooler
US-10553522-B1 · Feb 4, 2020 · US
Coiled adsorption heat exchanger
US-10527328-B2 · Jan 7, 2020 · US
Apparatus and method for protecting the tube-sheet of a syngas loop boiler
US-2020003503-A1 · Jan 2, 2020 · US
Cooling devices having large surface area structures, systems incorporating the same, and methods of forming the same
US-10515871-B1 · Dec 24, 2019 · US
Phobic/philic structures in refrigeration systems and liquid vapor separation in refrigeration systems
US-10465956-B2 · Nov 5, 2019 · US
Method for forming lanthanide nanoparticles
US-10421127-B2 · Sep 24, 2019 · US
Cooling apparatus for cooling a fluid by means of surface water
US-2019277568-A1 · Sep 12, 2019 · US
Folded heat exchanger for cooled cooling air
US-2019218974-A1 · Jul 18, 2019 · US
Cooling apparatus for cooling a fluid by means of surface water
US-10330389-B2 · Jun 25, 2019 · US
Additive manufactured flow components with stress-resistant structures
US-2019170444-A1 · Jun 6, 2019 · US
Folded heat exchanger for cooled cooling air
US-10287982-B2 · May 14, 2019 · US
Heat exchanger system and method of operation
US-2019137198-A1 · May 9, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F2245/00?
- CPC F28F2245/00 is the Cooperative Patent Classification code for “Coatings; Surface treatments.”
- How many patents are filed under CPC F28F2245/00 (Coatings; Surface treatments)?
- Our database includes 181 publications tagged with this CPC code.
- Is patent activity under CPC F28F2245/00 growing?
- Publication counts under this code: 13 in 2024 vs 14 in 2025 (latest complete years).