Power transmission device
US-10325709-B2 · Jun 18, 2019 · US
Means for releasing the attractive force
Means for releasing the attractive force · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F7/04 |
| Official title | Means for releasing the attractive force |
| Display label | Means for releasing the attractive force |
| Total patents | 175 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 14 |
| 2017 | 20 |
| 2018 | 12 |
| 2019 | 17 |
| 2020 | 18 |
| 2021 | 16 |
| 2022 | 13 |
| 2023 | 20 |
| 2024 | 18 |
| 2025 | 15 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Spool fixation device with bi-stable magnet assemblies
US-10315882-B2 · Jun 11, 2019 · US
Dynamically stabilized magnetic array
US-2019033917-A1 · Jan 31, 2019 · US
Aerosol apparatus with improved separable membrane
US-2018369853-A1 · Dec 27, 2018 · US
Input device attachment/detachment mechanism for computing devices
US-10153077-B2 · Dec 11, 2018 · US
Dynamically stabilized magnetic array
US-10095270-B2 · Oct 9, 2018 · US
Portable electronic device
US-10061348-B2 · Aug 28, 2018 · US
Magnetic end effector
US-10063113-B2 · Aug 28, 2018 · US
Holding tools for permanent magnets and methods to use the same
US-2018211753-A1 · Jul 26, 2018 · US
Portable electronic device
US-2018196470-A1 · Jul 12, 2018 · US
Input device attachment/detachment mechanism for computing devices
US-2018053588-A1 · Feb 22, 2018 · US
Asymmetrical magnet arrays
US-2018047490-A1 · Feb 15, 2018 · US
Cover for an electronic device
US-2018012691-A1 · Jan 11, 2018 · US
Portable electronic device capable of preventing a display from falling
US-9864402-B1 · Jan 9, 2018 · US
Power transmission device
US-2018005745-A1 · Jan 4, 2018 · US
Magnetic End Effector
US-2017366051-A1 · Dec 21, 2017 · US
Switchable magnetic lock
US-9824808-B2 · Nov 21, 2017 · US
Detachable device for loading unit of robot, robot, and controlling method of robot using the same
US-9815195-B2 · Nov 14, 2017 · US
Dynamically stabilized magnetic array
US-2017300087-A1 · Oct 19, 2017 · US
Voltage-controlled magnetic devices
US-9779865-B2 · Oct 3, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F7/04?
- CPC H01F7/04 is the Cooperative Patent Classification code for “Means for releasing the attractive force.”
- How many patents are filed under CPC H01F7/04 (Means for releasing the attractive force)?
- Our database includes 175 publications tagged with this CPC code.
- Is patent activity under CPC H01F7/04 growing?
- Publication counts under this code: 18 in 2024 vs 15 in 2025 (latest complete years).