Controlling flow of a fluid using thermally deformable channel
US-12474721-B2 · Nov 18, 2025 · US
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with diaphragm secured at one side only, e.g. to be laid on the seat by rolling action
with diaphragm secured at one side only, e.g. to be laid on the seat by rolling action · 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 | F16K7/18 |
| Official title | with diaphragm secured at one side only, e.g. to be laid on the seat by rolling action |
| Display label | with diaphragm secured at one side only, e.g. to be laid on the seat by rolling action |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Controlling flow of a fluid using thermally deformable channel
US-2024201711-A1 · Jun 20, 2024 · US
Valves and methods of operating valves
US-11885428-B2 · Jan 30, 2024 · US
Variable flow vent assembly for a conduit mask
US-2023364375-A1 · Nov 16, 2023 · US
Valves and methods of operating valves
US-2022373095-A1 · Nov 24, 2022 · US
Serial airlock architecture
US-2022089195-A1 · Mar 24, 2022 · US
Serial airlock architecture
US-11230298-B2 · Jan 25, 2022 · US
Electromagnetic valve
US-11054040-B2 · Jul 6, 2021 · US
Controller
US-11035493-B2 · Jun 15, 2021 · US
Fluid flow control device
US-10591078-B2 · Mar 17, 2020 · US
Electromagnetic valve
US-2020025294-A1 · Jan 23, 2020 · US
Controller
US-2020018331-A1 · Jan 16, 2020 · US
Serial airlock architecture
US-2019344806-A1 · Nov 14, 2019 · US
Switchable fluidic device
US-10240622-B1 · Mar 26, 2019 · US
Fluid flow control device
US-2018172172-A1 · Jun 21, 2018 · US
Gas turbine engine fluid supply system having at least one airbag, and method for maintaining non-interrupted circulating turbomachine fluid flow during a non-positive G-force event
US-9909673-B2 · Mar 6, 2018 · US
Gas turbine engine fluid supply system having at least one airbag, and method for maintaining non-interrupted circulating turbomachine fluid flow during a non-positive g-force event
US-2015345656-A1 · Dec 3, 2015 · US