High flow miniature proportional control valve with linear moving magnetic voice coil motor
US-10871239-B2 · Dec 22, 2020 · US
using a permanent magnet
using a permanent magnet · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16K31/08 |
| Official title | using a permanent magnet |
| Display label | using a permanent magnet |
| Total patents | 132 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 8 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 12 |
| 2020 | 14 |
| 2021 | 14 |
| 2022 | 12 |
| 2023 | 10 |
| 2024 | 10 |
| 2025 | 17 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electromagnetic flexure valve and electromagnetic flexure valve component
US-2020370670-A1 · Nov 26, 2020 · US
Container filling system and valve for same
US-10836624-B2 · Nov 17, 2020 · US
Magnetic Coupler with Force Balancing
US-2020244154-A1 · Jul 30, 2020 · US
Electronic expansion valve
US-2020232690-A1 · Jul 23, 2020 · US
Valve for switching fluids, extinguishing system and method
US-10704705-B2 · Jul 7, 2020 · US
Active valve for ventilators
US-10589053-B2 · Mar 17, 2020 · US
Electrically operated valve
US-2020041020-A1 · Feb 6, 2020 · US
Electromagnetic valve
US-2020025294-A1 · Jan 23, 2020 · US
Electric valve
US-2019353271-A1 · Nov 21, 2019 · US
Remotely activated dispenser
US-10478845-B1 · Nov 19, 2019 · US
Membrane valve arrangement
US-2019344765-A1 · Nov 14, 2019 · US
High flow miniature proportional control valve with linear moving magnetic voice coil motor
US-2019346057-A1 · Nov 14, 2019 · US
Fluid flow control devices, rotors and magnets with increased resistance to inadvertent setting change and improved accessory tool coupling
US-2019336736-A1 · Nov 7, 2019 · US
Solenoid valve for irrigation systems
US-2019323621-A1 · Oct 24, 2019 · US
Fluid flow control devices, rotors and magnets with increased resistance to inadvertent setting change and improved accessory tool coupling
US-10369335-B2 · Aug 6, 2019 · US
Container Filling System and Valve for Same
US-2019225474-A1 · Jul 25, 2019 · US
Servo valve
US-2019195245-A1 · Jun 27, 2019 · US
Container filling system and valve for same
US-10294091-B2 · May 21, 2019 · US
Valve actuator, valve and method for controlling a valve actuator
US-10274102-B2 · Apr 30, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K31/08?
- CPC F16K31/08 is the Cooperative Patent Classification code for “using a permanent magnet.”
- How many patents are filed under CPC F16K31/08 (using a permanent magnet)?
- Our database includes 132 publications tagged with this CPC code.
- Is patent activity under CPC F16K31/08 growing?
- Publication counts under this code: 10 in 2024 vs 17 in 2025 (latest complete years).