Bidirectional shape memory device
US-10161390-B2 · Dec 25, 2018 · US
actuated by thermo-electric means
actuated by thermo-electric means · 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 | F16K31/025 |
| Official title | {actuated by thermo-electric means} |
| Display label | actuated by thermo-electric means |
| Total patents | 192 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 17 |
| 2017 | 18 |
| 2018 | 19 |
| 2019 | 23 |
| 2020 | 24 |
| 2021 | 20 |
| 2022 | 15 |
| 2023 | 7 |
| 2024 | 23 |
| 2025 | 11 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for adjusting coolant flow through a cooling system of a vehicle to increase a warming rate of a transmission
US-10161501-B2 · Dec 25, 2018 · US
Heat exchanger valves
US-2018355990-A1 · Dec 13, 2018 · US
Bidirectional shape memory device
US-10107270-B2 · Oct 23, 2018 · US
Fluid routing device having a shape memory alloy member
US-10107410-B2 · Oct 23, 2018 · US
Shape memory alloy actuated butterfly valve
US-10100944-B2 · Oct 16, 2018 · US
SMA valve for controlling air supply to an air cell in a vehicle seat
US-10086720-B2 · Oct 2, 2018 · US
Flow rate control valve
US-2018149073-A1 · May 31, 2018 · US
Electronic Circuitry for a Valve for the Transfer of an Optically-Active Fluid from a First to a Second Reservoir
US-2018143423-A1 · May 24, 2018 · US
Thermostatic valve having a sleeve
US-9946272-B2 · Apr 17, 2018 · US
SMA valve for controlling pressurized air supply to an air cell in a vehicle seat
US-9945490-B2 · Apr 17, 2018 · US
Valve manifold, washer system, and device
US-9927035-B2 · Mar 27, 2018 · US
System and method for adjusting coolant flow through a cooling system of a vehicle to increase a warming rate of a transmission
US-2018045297-A1 · Feb 15, 2018 · US
Thermostat valve for a combustion engine
US-9841115-B2 · Dec 12, 2017 · US
Internal combustion engine cooling device
US-9777617-B2 · Oct 3, 2017 · US
Vehicle-height adjustment system
US-2017259640-A1 · Sep 14, 2017 · US
Thermostatic valve having a sleeve
US-2017248977-A1 · Aug 31, 2017 · US
A valve with a shape memory alloy based actuator
US-2017248246-A1 · Aug 31, 2017 · US
Valve assembly, in particular for space travel drive systems, which is closed when not actuated
US-9746092-B2 · Aug 29, 2017 · US
Shape memory actuated normally open permanent isolation valve
US-9677681-B1 · Jun 13, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K31/025?
- CPC F16K31/025 is the Cooperative Patent Classification code for “actuated by thermo-electric means.”
- How many patents are filed under CPC F16K31/025 (actuated by thermo-electric means)?
- Our database includes 192 publications tagged with this CPC code.
- Is patent activity under CPC F16K31/025 growing?
- Publication counts under this code: 23 in 2024 vs 11 in 2025 (latest complete years).