Novel heat pipe configurations
US-2025089213-A1 · Mar 13, 2025 · US
Mechanical Engineering
Mechanical Engineering · 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 | F28F23/02 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 48 |
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 | 2 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 5 |
| 2019 | 8 |
| 2020 | 7 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat exchanger
US-12074089-B2 · Aug 27, 2024 · US
Heat pipe with multiple stages of cooling
US-11800684-B2 · Oct 24, 2023 · US
Cooling systems, controllers and methods
US-2022408615-A1 · Dec 22, 2022 · US
Cooling system, controllers and methods
US-11452243-B2 · Sep 20, 2022 · US
Compact thermal control plate
US-11428479-B2 · Aug 30, 2022 · US
Heat pipe with multiple stages of cooling
US-2022232735-A1 · Jul 21, 2022 · US
Water-cooling radiator structure with pump
US-2022163264-A1 · May 26, 2022 · US
Novel heat pipe configurations
US-2022124945-A1 · Apr 21, 2022 · US
Compact thermal control plate
US-2021325128-A1 · Oct 21, 2021 · US
Fluorinated diaminoolefins and methods of using the same
US-2021302113-A1 · Sep 30, 2021 · US
Engine coolant separator and engine cooling system having the same
US-10989102-B2 · Apr 27, 2021 · US
Water-cooling pump structure with check valves and water-cooling module thereof
US-2021088287-A1 · Mar 25, 2021 · US
Heat exchanger
US-2021028089-A1 · Jan 28, 2021 · US
Flow system for avoiding particle agglomeration
US-10837604-B2 · Nov 17, 2020 · US
Systems and methods for implementing intelligent cooling interface archiectures for cooling systems
US-10798851-B1 · Oct 6, 2020 · US
Sealed sublimator porous plates
US-10782059-B2 · Sep 22, 2020 · US
Pressure cap for cooling system having variable opening pressure
US-10697718-B2 · Jun 30, 2020 · US
Liquid immersion tank
US-10624236-B2 · Apr 14, 2020 · US
Liquid immersion tank
US-2020029464-A1 · Jan 23, 2020 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F23/02?
- CPC F28F23/02 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F28F23/02 (Mechanical Engineering)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC F28F23/02 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).