Structural arrangement for mounting conductor winding packages in air core reactor
US-11823822-B2 · Nov 21, 2023 · US
without magnetic core
without magnetic core · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F37/005 |
| Official title | {without magnetic core} |
| Display label | without magnetic core |
| Total patents | 77 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 10 |
| 2020 | 10 |
| 2021 | 9 |
| 2022 | 6 |
| 2023 | 15 |
| 2024 | 1 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Three-phase reactor comprising iron-core units and coils
US-2023274878-A1 · Aug 31, 2023 · US
Structure of single-phase reactor
US-11742706-B2 · Aug 29, 2023 · US
Liquid cooled inductor via nozzle spray
US-11670443-B2 · Jun 6, 2023 · US
Inductor component and mounting structure of inductor component
US-2023060320-A1 · Mar 2, 2023 · US
Choke and test assembly for carrying out high-voltage testing
US-11594367-B2 · Feb 28, 2023 · US
High current ribbon inductor
US-2022359118-A1 · Nov 10, 2022 · US
Compensation block for air-core reactors and transformers
US-2022344094-A1 · Oct 27, 2022 · US
Electrified vehicle cable having an inductor portion
US-11476044-B2 · Oct 18, 2022 · US
Method For Manufacturing Choke Coil, Choke Coil and Electrical Assembly Comprising The Choke Coil
US-2022310310-A1 · Sep 29, 2022 · US
Air core reactor for rolling stock
US-11328856-B2 · May 10, 2022 · US
Reactor for vehicle
US-11282628-B2 · Mar 22, 2022 · US
Common mode choke coil and wireless charging circuit
US-11139096-B2 · Oct 5, 2021 · US
Inductor to control transient currents during energized bond on
US-2021221666-A1 · Jul 22, 2021 · US
Electronic component
US-11031185-B2 · Jun 8, 2021 · US
Liquid cooled inductor via nozzle spray
US-2021151236-A1 · May 20, 2021 · US
Inductor to control transient currents during energized bond on
US-10974939-B2 · Apr 13, 2021 · US
Choke and test assembly for carrying out high-voltage testing
US-2021096154-A1 · Apr 1, 2021 · US
Central column designs for tokamaks
US-2021043333-A1 · Feb 11, 2021 · US
Inductor for high frequency and high power applications
US-10916369-B2 · Feb 9, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F37/005?
- CPC H01F37/005 is the Cooperative Patent Classification code for “without magnetic core.”
- How many patents are filed under CPC H01F37/005 (without magnetic core)?
- Our database includes 77 publications tagged with this CPC code.
- Is patent activity under CPC H01F37/005 growing?
- Publication counts under this code: 1 in 2024 vs 5 in 2025 (latest complete years).