Electromagnet, tester and method of manufacturing magnetic memory
US-9818523-B2 · Nov 14, 2017 · US
without armatures (cores H01F3/00; coils H01F5/00 {; shaping metal by applying magnetic forces B21D26/14; electromagnets specially adapted for NMR applications G01R33/381})
without armatures (cores H01F3/00; coils H01F5/00 {; shaping metal by applying magnetic forces B21D26/14; electromagnets specially adapted for NMR applications G01R33/381}) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F7/20 |
| Official title | without armatures (cores H01F3/00; coils H01F5/00 {; shaping metal by applying magnetic forces B21D26/14; electromagnets specially adapted for NMR applications G01R33/381}) |
| Display label | without armatures (cores H01F3/00; coils H01F5/00 {; shaping metal by applying magnetic forces B21D26/14; electromagnets specially adapted for NMR applications G01R33/381}) |
| Total patents | 621 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 20 |
| 2016 | 35 |
| 2017 | 48 |
| 2018 | 48 |
| 2019 | 67 |
| 2020 | 73 |
| 2021 | 73 |
| 2022 | 82 |
| 2023 | 64 |
| 2024 | 53 |
| 2025 | 48 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Support of superconducting coils for mri systems
US-2017248667-A1 · Aug 31, 2017 · US
Solenoid of electromagnetic valve
US-9746097-B1 · Aug 29, 2017 · US
Devices and methods for detection of slippage of magnetic coupling in implantable medical devices
US-9730612-B2 · Aug 15, 2017 · US
Display device
US-9697941-B2 · Jul 4, 2017 · US
Imposing a rotational force during a drop of an electronic device to reduce breakage
US-2016379743-A1 · Dec 29, 2016 · US
Flexible electromagnetic clamp
US-9496080-B2 · Nov 15, 2016 · US
Electronic device with signal line routing to minimize vibrations
US-9460838-B2 · Oct 4, 2016 · US
Card connector having electro-permanent magnet
US-9461411-B2 · Oct 4, 2016 · US
Dynamically stabilized magnetic array
US-2016284497-A1 · Sep 29, 2016 · US
Flexible electromagnetic clamp
US-2016284457-A1 · Sep 29, 2016 · US
Display device
US-2016278222-A1 · Sep 22, 2016 · US
Switch fabric having a serial communications interface and a parallel communications interface
US-9436641-B2 · Sep 6, 2016 · US
Rotary input device
US-9437357-B2 · Sep 6, 2016 · US
Coil arrangement of mpi system or apparatus
US-2016223626-A1 · Aug 4, 2016 · US
Engaging module
US-9396861-B2 · Jul 19, 2016 · US
Dual layer wire coatings
US-2016196912-A1 · Jul 7, 2016 · US
Device for enhancing induced magnetic field consequent for thermal ablation therapy
US-2016184002-A1 · Jun 30, 2016 · US
Electromagnetic coil system for driving control of micro-robot
US-9373443-B2 · Jun 21, 2016 · US
Magnetic element
US-9362038-B2 · Jun 7, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F7/20?
- CPC H01F7/20 is the Cooperative Patent Classification code for “without armatures (cores H01F3/00; coils H01F5/00 {; shaping metal by applying magnetic forces B21D26/14; electromagnets specially adapted for NMR applications G01R33/381}).”
- How many patents are filed under CPC H01F7/20 (without armatures (cores H01F3/00; coils H01F5/00 {; shaping metal by applying magnetic forces B21D26/14; electromagnets specially adapted for NMR applications G01R33/381}))?
- Our database includes 621 publications tagged with this CPC code.
- Is patent activity under CPC H01F7/20 growing?
- Publication counts under this code: 53 in 2024 vs 48 in 2025 (latest complete years).