Heat Transfer Mediums
US-2018363989-A1 · Dec 20, 2018 · US
Features relating to the use of intermediate heat-exchange materials, e.g. selection of compositions (heat-transfer, heat-exchange or heat-storage materials C09K5/00)
Features relating to the use of intermediate heat-exchange materials, e.g. selection of compositions (heat-transfer, heat-exchange or heat-storage materials C09K5/00) · 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 | F28F23/00 |
| Official title | Features relating to the use of intermediate heat-exchange materials, e.g. selection of compositions (heat-transfer, heat-exchange or heat-storage materials C09K5/00) |
| Display label | Features relating to the use of intermediate heat-exchange materials, e.g. selection of compositions (heat-transfer, heat-exchange or heat-storage materials C09K5/00) |
| Total patents | 161 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 16 |
| 2017 | 18 |
| 2018 | 24 |
| 2019 | 16 |
| 2020 | 14 |
| 2021 | 18 |
| 2022 | 11 |
| 2023 | 14 |
| 2024 | 6 |
| 2025 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vapor-phase type heating method and vapor-phase type heating apparatus
US-2018345397-A1 · Dec 6, 2018 · US
Heat transfer medium containing multi-wall carbon nanotubes
US-2018340108-A1 · Nov 29, 2018 · US
Heat transfer medium containing multi-wall carbon nanotubes
US-10138404-B1 · Nov 27, 2018 · US
Water-based nanofluid heat transfer medium
US-10077391-B2 · Sep 18, 2018 · US
Heat transport fluid and heat transport device using the same
US-2018163109-A1 · Jun 14, 2018 · US
Magnetic convection cooling for handheld device
US-2018087849-A1 · Mar 29, 2018 · US
Heat storage system
US-2018066900-A1 · Mar 8, 2018 · US
Aircraft electronics thermal regulation systems
US-2018038657-A1 · Feb 8, 2018 · US
Thermal storage heat exchanger structures employing phase change materials
US-2018031332-A1 · Feb 1, 2018 · US
Thermal storage heat exchanger structures employing phase change materials
US-2018031333-A1 · Feb 1, 2018 · US
Systems and methods for thermal management through use of ammonium carbamate
US-9863725-B1 · Jan 9, 2018 · US
Processes and media for high temperature heat transfer, transport and/or storage
US-2017362484-A1 · Dec 21, 2017 · US
Mechanical-thermal structure suitable for a space environment
US-9841241-B2 · Dec 12, 2017 · US
Heat transfer utilizing vascular composites and field induced forces
US-2017341727-A1 · Nov 30, 2017 · US
Coolant and a method to control the ph and resistivity of coolant used in a heat exchanger
US-2017307310-A1 · Oct 26, 2017 · US
Cooling electronic devices in a data center
US-2017303441-A1 · Oct 19, 2017 · US
Electronic equipment
US-2017265336-A1 · Sep 14, 2017 · US
Method and Apparatus for Cooling Integrated Circuits
US-2017250123-A1 · Aug 31, 2017 · US
Method for thermal management through use of ammonium carbamate
US-9677817-B1 · Jun 13, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F23/00?
- CPC F28F23/00 is the Cooperative Patent Classification code for “Features relating to the use of intermediate heat-exchange materials, e.g. selection of compositions (heat-transfer, heat-exchange or heat-storage materials C09K5/00).”
- How many patents are filed under CPC F28F23/00 (Features relating to the use of intermediate heat-exchange materials, e.g. selection of compositions (heat-transfer, heat-exchange or heat-storage materials C09K5/00))?
- Our database includes 161 publications tagged with this CPC code.
- Is patent activity under CPC F28F23/00 growing?
- Publication counts under this code: 6 in 2024 vs 10 in 2025 (latest complete years).