Piezo actuator device
US-12465942-B2 · Nov 11, 2025 · US
for sliding valves
for sliding valves · 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 | F16K31/008 |
| Official title | {for sliding valves} |
| Display label | for sliding valves |
| Total patents | 41 |
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 | 2 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Servovalve
US-12460739-B2 · Nov 4, 2025 · US
Pressure control valve, a fluid handling structure for lithographic apparatus and a lithographic apparatus
US-12287570-B2 · Apr 29, 2025 · US
Flow control devices
US-12098776-B2 · Sep 24, 2024 · US
Piezo actuator device
US-2024207886-A1 · Jun 27, 2024 · US
Optical sorter
US-12011742-B2 · Jun 18, 2024 · US
Active valve shimming
US-11906067-B2 · Feb 20, 2024 · US
Optical sorter
US-2023398578-A1 · Dec 14, 2023 · US
Flow control devices
US-2023392706-A1 · Dec 7, 2023 · US
Servovalve
US-2023366482-A1 · Nov 16, 2023 · US
Piezoelectric valve and method for manufacturing piezoelectric valve
US-11808373-B2 · Nov 7, 2023 · US
Flow control devices
US-2023235833-A1 · Jul 27, 2023 · US
Active valve shimming
US-2023235822-A1 · Jul 27, 2023 · US
Servo valve
US-11530755-B2 · Dec 20, 2022 · US
Fluidic devices with piezoelectric actuators and related methods
US-11519517-B1 · Dec 6, 2022 · US
Servo valve
US-11506300-B2 · Nov 22, 2022 · US
Piezoelectric valve and method for manufacturing piezoelectric valve
US-2022356958-A1 · Nov 10, 2022 · US
Subsea actuator and method of actuating a subsea actuator
US-11384617-B2 · Jul 12, 2022 · US
Pressure control valve, a fluid handling structure for lithographic apparatus and a lithographic apparatus
US-2022075264-A1 · Mar 10, 2022 · US
Servo valve
US-11261986-B2 · Mar 1, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K31/008?
- CPC F16K31/008 is the Cooperative Patent Classification code for “for sliding valves.”
- How many patents are filed under CPC F16K31/008 (for sliding valves)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC F16K31/008 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).