Method and system for controlling cooling system of power equipment
US-2018268981-A1 · Sep 20, 2018 · US
Cooling by ambient air
Cooling by ambient air · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F27/085 |
| Official title | {Cooling by ambient air} |
| Display label | Cooling by ambient air |
| Total patents | 307 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 21 |
| 2017 | 19 |
| 2018 | 24 |
| 2019 | 18 |
| 2020 | 41 |
| 2021 | 35 |
| 2022 | 36 |
| 2023 | 34 |
| 2024 | 34 |
| 2025 | 24 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Transformer and power converter
US-2018005748-A1 · Jan 4, 2018 · US
Transformer enclosure with improved cooling
US-2017358389-A1 · Dec 14, 2017 · US
Cooling arrangement
US-2017358390-A1 · Dec 14, 2017 · US
Wireless Charging Pad Having Coolant Assembly
US-2017338023-A1 · Nov 23, 2017 · US
Outdoor ups unit system and method
US-2017332521-A1 · Nov 16, 2017 · US
Welding type power supply with weld transformer
US-9818529-B2 · Nov 14, 2017 · US
Transformer With Hinged Cooling Module
US-2017316861-A1 · Nov 2, 2017 · US
Cooling structure for coil component
US-2017301450-A1 · Oct 19, 2017 · US
Power reception device and power transmission device
US-9787138-B2 · Oct 10, 2017 · US
Mounting arrangement for inductive outlet
US-2017213632-A1 · Jul 27, 2017 · US
Molded stationary induction apparatus and method for manufacturing molded stationary induction apparatus
US-2017186530-A1 · Jun 29, 2017 · US
Filter device
US-9691535-B2 · Jun 27, 2017 · US
Compact inductor
US-2017178782-A1 · Jun 22, 2017 · US
Power conversion device and method for assembling the same
US-9668384-B2 · May 30, 2017 · US
Coil component and board having the same
US-2017150606-A1 · May 25, 2017 · US
Magnetic component cooling structure and power converter having the same
US-9661783-B2 · May 23, 2017 · US
Magnetic structure
US-2017103841-A1 · Apr 13, 2017 · US
Reactor
US-9613746-B2 · Apr 4, 2017 · US
Measuring Arrangement for Detecting a Magnetic Unidirectional Flux in the Core of a Transformer
US-2017089986-A1 · Mar 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F27/085?
- CPC H01F27/085 is the Cooperative Patent Classification code for “Cooling by ambient air.”
- How many patents are filed under CPC H01F27/085 (Cooling by ambient air)?
- Our database includes 307 publications tagged with this CPC code.
- Is patent activity under CPC H01F27/085 growing?
- Publication counts under this code: 34 in 2024 vs 24 in 2025 (latest complete years).