Electromagnetic valve
US-2026055823-A1 · Feb 26, 2026 · US
by solenoids
by solenoids · 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 | F25B41/345 |
| Official title | by solenoids |
| Display label | by solenoids |
| Total patents | 58 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 8 |
| 2023 | 9 |
| 2024 | 7 |
| 2025 | 10 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric stator for an expansion valve
US-12445005-B2 · Oct 14, 2025 · US
Valve
US-12398822-B2 · Aug 26, 2025 · US
Electric expansion valve and refrigeration cycle device
US-2025237417-A1 · Jul 24, 2025 · US
Electromagnetic proportional valve and system having a proportional valve
US-12358342-B2 · Jul 15, 2025 · US
Expansion valve coil assembly
US-12334257-B2 · Jun 17, 2025 · US
Valve body for an expansion valve
US-12313166-B2 · May 27, 2025 · US
Flow Adjustment Assembly and Electronic Expansion Valve
US-2025155028-A1 · May 15, 2025 · US
Expansion valve
US-12298048-B2 · May 13, 2025 · US
Framework, Framework Assembly, Coil Assembly, and Electronic Expansion Valve
US-2025052334-A1 · Feb 13, 2025 · US
Valve
US-12196464-B2 · Jan 14, 2025 · US
Valve Head Structure and Flow Regulating Valve with Valve Head Structure
US-2024410470-A1 · Dec 12, 2024 · US
Heat exchanger assembly with valve
US-12163708-B2 · Dec 10, 2024 · US
Expansion valve coil structure and preparing method thereof, and expansion valve
US-2024309962-A1 · Sep 19, 2024 · US
Expansion valve
US-11940191-B2 · Mar 26, 2024 · US
Precooler-based transcritical CO2 heat pump system and control method of waterway two-way valve thereof
US-11927379-B2 · Mar 12, 2024 · US
Expansion valve
US-11885542-B2 · Jan 30, 2024 · US
Valve
US-2024011574-A1 · Jan 11, 2024 · US
Heat exchanger assembly with valve
US-2023366597-A1 · Nov 16, 2023 · US
Expansion valve
US-11813922-B2 · Nov 14, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25B41/345?
- CPC F25B41/345 is the Cooperative Patent Classification code for “by solenoids.”
- How many patents are filed under CPC F25B41/345 (by solenoids)?
- Our database includes 58 publications tagged with this CPC code.
- Is patent activity under CPC F25B41/345 growing?
- Publication counts under this code: 7 in 2024 vs 10 in 2025 (latest complete years).