Fluidic transistors and uses thereof
US-2025065324-A1 · Feb 27, 2025 · US
using diaphragms ({using loose plates or foils F15C3/005}; connection of valves to inflatable elastic bodies B60C29/00)
using diaphragms ({using loose plates or foils F15C3/005}; connection of valves to inflatable elastic bodies B60C29/00) · 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 | F15C3/04 |
| Official title | using diaphragms ({using loose plates or foils F15C3/005}; connection of valves to inflatable elastic bodies B60C29/00) |
| Display label | using diaphragms ({using loose plates or foils F15C3/005}; connection of valves to inflatable elastic bodies B60C29/00) |
| Total patents | 27 |
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 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electronics-free pneumatic circuits for controlling a robot
US-11994152-B2 · May 28, 2024 · US
Electronics-free pneumatic circuits for controlling a robot
US-2023235756-A1 · Jul 27, 2023 · US
Fluidic devices and related methods and wearable devices
US-11519511-B1 · Dec 6, 2022 · US
Non-electronic control using pneumatically-actuated transistor logic
US-2022341442-A1 · Oct 27, 2022 · US
Apparatus and methods for fluidic amplification
US-11231055-B1 · Jan 25, 2022 · US
Co-casted fluidic devices
US-11204100-B1 · Dec 21, 2021 · US
Fluidic switching devices
US-10989330-B1 · Apr 27, 2021 · US
Low-voltage microfluidic actuator driven by tension modification.
US-2020224784-A1 · Jul 16, 2020 · US
Pressure modulator
US-10656037-B2 · May 19, 2020 · US
Composable PFET fluidic device
US-10591933-B1 · Mar 17, 2020 · US
Fluidic switching devices
US-10514111-B2 · Dec 24, 2019 · US
Co-casted fluidic devices
US-10502327-B1 · Dec 10, 2019 · US
Pressure modulator
US-2019271605-A1 · Sep 5, 2019 · US
Pressure modulator
US-10295423-B2 · May 21, 2019 · US
Switchable fluidic device
US-10240622-B1 · Mar 26, 2019 · US
Fluidic switching devices
US-2018209562-A1 · Jul 26, 2018 · US
Pressure modulator
US-2017241856-A1 · Aug 24, 2017 · US
Pressure modulator
US-9683675-B2 · Jun 20, 2017 · US
Active drainage systems with dual-input pressure-driven values
US-9622910-B2 · Apr 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15C3/04?
- CPC F15C3/04 is the Cooperative Patent Classification code for “using diaphragms ({using loose plates or foils F15C3/005}; connection of valves to inflatable elastic bodies B60C29/00).”
- How many patents are filed under CPC F15C3/04 (using diaphragms ({using loose plates or foils F15C3/005}; connection of valves to inflatable elastic bodies B60C29/00))?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC F15C3/04 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).