Panel, fastening construction, aircraft and opening device
US-2025364169-A1 · Nov 27, 2025 · US
Circuits for energising or de-energising
Circuits for energising or de-energising · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F7/204 |
| Official title | {Circuits for energising or de-energising} |
| Display label | Circuits for energising or de-energising |
| Total patents | 28 |
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 | 1 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 4 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
National individual floating transport infrastructure
US-12179603-B2 · Dec 31, 2024 · US
Method for generating a pulsed magnetic field and associated device
US-11749436-B2 · Sep 5, 2023 · US
Lens unit of an imaging assembly
US-2023070594-A1 · Mar 9, 2023 · US
Magnetic field generating-apparatus for biostimulation
US-11452882-B2 · Sep 27, 2022 · US
Method for generating a pulsed magnetic field and associated device
US-2022148780-A1 · May 12, 2022 · US
National individual floating transport infrastructure
US-2022059269-A1 · Feb 24, 2022 · US
Magnetic field generating-apparatus for biostimulation
US-11224756-B2 · Jan 18, 2022 · US
Apparatus and method for magnetic field compression using a toroid coil structure
US-10726986-B2 · Jul 28, 2020 · US
Magnetic field generating-apparatus for biostimulation
US-2020108265-A1 · Apr 9, 2020 · US
Magnetic field generating-apparatus for biostimulation
US-2020101309-A1 · Apr 2, 2020 · US
Retractable and/or variable depression force key assemblies and methods for using the same
US-10574233-B2 · Feb 25, 2020 · US
Magnetic sheet and electronic device
US-2019305609-A1 · Oct 3, 2019 · US
Force feedback gripping device with magnetorheological based actuator
US-10414054-B2 · Sep 17, 2019 · US
Steel sheet shape control method and steel sheet shape control apparatus
US-10343867-B2 · Jul 9, 2019 · US
Power transmission device
US-10325709-B2 · Jun 18, 2019 · US
Apparatus and method for magnetic field compression using a toroid coil structure
US-2019115133-A1 · Apr 18, 2019 · US
Retractable and/or variable depression force key assemblies and methods for using the same
US-2018219552-A1 · Aug 2, 2018 · US
Electromagnetic coil driving control device
US-10002699-B2 · Jun 19, 2018 · US
Power transmission device
US-2018005745-A1 · Jan 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F7/204?
- CPC H01F7/204 is the Cooperative Patent Classification code for “Circuits for energising or de-energising.”
- How many patents are filed under CPC H01F7/204 (Circuits for energising or de-energising)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC H01F7/204 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).