Apparatus and method for passive cooling of electronic devices
US-2018322995-A1 · Nov 8, 2018 · US
forming loops, e.g. capillary pumped loops
forming loops, e.g. capillary pumped loops · 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 | F28D15/043 |
| Official title | {forming loops, e.g. capillary pumped loops} |
| Display label | forming loops, e.g. capillary pumped loops |
| Total patents | 411 |
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 | 18 |
| 2016 | 19 |
| 2017 | 14 |
| 2018 | 25 |
| 2019 | 64 |
| 2020 | 63 |
| 2021 | 68 |
| 2022 | 49 |
| 2023 | 30 |
| 2024 | 34 |
| 2025 | 18 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat dissipating assembly and electronic device using the same
US-2018232022-A1 · Aug 16, 2018 · US
Wick structure and loop heat pipe using same
US-2018209746-A1 · Jul 26, 2018 · US
Heat recovery system, in particular for use on aircraft, using a two-phase fluid circuit
US-10029800-B2 · Jul 24, 2018 · US
Passive cooling system using a dual-phase fluid, particularly for cooling electronic apparatuses, such as avionic apparatuses
US-2018172358-A1 · Jun 21, 2018 · US
Vapor chamber with three-dimensional printed spanning structure
US-2018156545-A1 · Jun 7, 2018 · US
Biphase heating
US-9975639-B2 · May 22, 2018 · US
Gas turbine engine
US-2018066538-A1 · Mar 8, 2018 · US
Heat pipe in turbine engine rotor
US-2018058259-A1 · Mar 1, 2018 · US
Refrigerant intermediary device, cooling device including the same, and cooling method
US-2017303432-A1 · Oct 19, 2017 · US
Auxilliary reservoir for a liquid system
US-2017261267-A1 · Sep 14, 2017 · US
Heat pipe
US-9752832-B2 · Sep 5, 2017 · US
Flat plate pulsating heat pipe applicable at various angles and method of manufacturing same
US-2017245393-A1 · Aug 24, 2017 · US
Heat dissipation module and electronic device
US-2017220084-A1 · Aug 3, 2017 · US
Loop heat pipe structure with liquid and vapor separation
US-9702635-B2 · Jul 11, 2017 · US
Loop heat pipe and electronic equipment using the same
US-9696096-B2 · Jul 4, 2017 · US
Thermodynamic system including a heat transfer system having an evaporator and a condenser
US-9631874-B2 · Apr 25, 2017 · US
Heat transfer system two separate heat loops in exchange
US-9625216-B2 · Apr 18, 2017 · US
Thermosiphon Systems for Electronic Devices
US-2017055377-A1 · Feb 23, 2017 · US
Heating for an avionic equipment
US-2017029123-A1 · Feb 2, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28D15/043?
- CPC F28D15/043 is the Cooperative Patent Classification code for “forming loops, e.g. capillary pumped loops.”
- How many patents are filed under CPC F28D15/043 (forming loops, e.g. capillary pumped loops)?
- Our database includes 411 publications tagged with this CPC code.
- Is patent activity under CPC F28D15/043 growing?
- Publication counts under this code: 34 in 2024 vs 18 in 2025 (latest complete years).