Wireless charging device and mobile means including same
US-12424875-B2 · Sep 23, 2025 · US
by evaporating liquids
by evaporating liquids · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F27/18 |
| Official title | by evaporating liquids |
| Display label | by evaporating liquids |
| Total patents | 61 |
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 | 7 |
| 2017 | 7 |
| 2018 | 8 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 2 |
| 2023 | 7 |
| 2024 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Two-phase liquid-cooled electrical power apparatus
US-12349325-B2 · Jul 1, 2025 · US
Coil device
US-12009131-B2 · Jun 11, 2024 · US
Double-sided cooling package of inductor
US-12002613-B2 · Jun 4, 2024 · US
Two-phase liquid-cooled electrical power apparatus
US-2024057304-A1 · Feb 15, 2024 · US
Inductive apparatus with helical coil frame
US-2024047125-A1 · Feb 8, 2024 · US
Electric arrangement, panel and heat exchanger
US-2023314094-A1 · Oct 5, 2023 · US
Heat exchanger and electric arrangement comprising heat exchanger
US-11719492-B2 · Aug 8, 2023 · US
Conformal heat pipe assemblies
US-11683919-B2 · Jun 20, 2023 · US
Current distribution and thermal regulation in inductive power transfer coupling structures
US-11646152-B2 · May 9, 2023 · US
Heat exchanger and electric arrangement comprising heat exchanger
US-2023124112-A1 · Apr 20, 2023 · US
Cooling system for tanks
US-11581711-B2 · Feb 14, 2023 · US
Electrotechnical device for an aircraft, comprising low-frequency coil components
US-2023008213-A1 · Jan 12, 2023 · US
Wireless charging device and mobile means including same
US-2022416575-A1 · Dec 29, 2022 · US
Static heat exchanger for wireless power transfer pad
US-11521780-B2 · Dec 6, 2022 · US
Conformal heat pipe assemblies
US-2021378154-A1 · Dec 2, 2021 · US
Refrigeration cycle apparatus
US-11168901-B2 · Nov 9, 2021 · US
Conformal heat pipe assemblies
US-11122715-B2 · Sep 14, 2021 · US
Double-sided cooling package of inductor
US-2021159007-A1 · May 27, 2021 · US
Static heat exchanger for wireless power transfer pad
US-2021082613-A1 · Mar 18, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F27/18?
- CPC H01F27/18 is the Cooperative Patent Classification code for “by evaporating liquids.”
- How many patents are filed under CPC H01F27/18 (by evaporating liquids)?
- Our database includes 61 publications tagged with this CPC code.
- Is patent activity under CPC H01F27/18 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).