Solenoid having inverse tapered armature for solenoid-actuated valve
US-11201005-B2 · Dec 14, 2021 · US
characterised by pulling-force characteristics
characterised by pulling-force characteristics · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F7/13 |
| Official title | characterised by pulling-force characteristics |
| Display label | characterised by pulling-force characteristics |
| Total patents | 98 |
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 | 8 |
| 2016 | 7 |
| 2017 | 9 |
| 2018 | 6 |
| 2019 | 10 |
| 2020 | 17 |
| 2021 | 11 |
| 2022 | 10 |
| 2023 | 4 |
| 2024 | 11 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Servo valve
US-11162515-B2 · Nov 2, 2021 · US
Electromagnetic actuating device
US-2021156489-A1 · May 27, 2021 · US
Lifting-magnet attachment magnetic pole unit, steel-lifting magnetic-pole-equipped lifting magnet, steel material conveying method, and steel plate manufacturing method
US-2020385240-A1 · Dec 10, 2020 · US
Solenoid device
US-10801629-B2 · Oct 13, 2020 · US
Servo valve
US-2020271137-A1 · Aug 27, 2020 · US
Electromagnetic valve, in particular for slip-regulated motor vehicle brake systems
US-10738907-B2 · Aug 11, 2020 · US
Low impact noise solenoid valve
US-10738750-B2 · Aug 11, 2020 · US
Solenoid including a displaceable ferromagnetic member within an air gap
US-2020251267-A1 · Aug 6, 2020 · US
Electromagnetic valve
US-2020248829-A1 · Aug 6, 2020 · US
Servo valve
US-10697477-B2 · Jun 30, 2020 · US
Solenoid having inverse tapered armature for solenoid-actuated valve
US-2020126702-A1 · Apr 23, 2020 · US
Electromagnetic actuator
US-2020118724-A1 · Apr 16, 2020 · US
Solenoid device
US-10622131-B2 · Apr 14, 2020 · US
Electromagnetic actuator as well as actuating system
US-10607758-B2 · Mar 31, 2020 · US
Electromagnetic actuator, electromagnetic valve and high-pressure fuel pump
US-10598141-B2 · Mar 24, 2020 · US
Electromagnetic valve, in particular for slip-regulated motor vehicle brake systems
US-2020079340-A1 · Mar 12, 2020 · US
Determining a lift of a solenoid valve
US-10563633-B2 · Feb 18, 2020 · US
Low impact noise solenoid valve
US-2020032753-A1 · Jan 30, 2020 · US
Solenoid device
US-2020003313-A1 · Jan 2, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F7/13?
- CPC H01F7/13 is the Cooperative Patent Classification code for “characterised by pulling-force characteristics.”
- How many patents are filed under CPC H01F7/13 (characterised by pulling-force characteristics)?
- Our database includes 98 publications tagged with this CPC code.
- Is patent activity under CPC H01F7/13 growing?
- Publication counts under this code: 11 in 2024 vs 3 in 2025 (latest complete years).