Pneumatic drain valve driving device
US-2024295107-A1 · Sep 5, 2024 · US
servo actuated
servo actuated · 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 | F16K31/128 |
| Official title | servo actuated |
| Display label | servo actuated |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 6 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 10 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Valve for a vacuum apparatus
US-11965602-B2 · Apr 23, 2024 · US
Degradation detection system, brake control device, and degradation detection method
US-11904826-B2 · Feb 20, 2024 · US
Expandable pilot assembly for pressure regulators
US-11713827-B2 · Aug 1, 2023 · US
Servo valve
US-2023175534-A1 · Jun 8, 2023 · US
Valve for a vacuum apparatus
US-2023094347-A1 · Mar 30, 2023 · US
Pilot-pressure-controlled flow valve and fluid system containing same
US-11549606-B2 · Jan 10, 2023 · US
Valve, use of such valve, separator comprising such valve and method of operating a separator
US-11465087-B2 · Oct 11, 2022 · US
Method for monitoring a mechanical system
US-11359744-B2 · Jun 14, 2022 · US
Microfluidic device for controlling pneumatic microvalves
US-11313489-B2 · Apr 26, 2022 · US
Valve, fluid controller, and sphygmomanometer
US-11089967-B2 · Aug 17, 2021 · US
Degradation detection system, brake control device, and degradation detection method
US-2021245726-A1 · Aug 12, 2021 · US
Microfluidic Device for Controlling Pneumatic Microvalves
US-2021199211-A1 · Jul 1, 2021 · US
Valve system
US-11015735-B2 · May 25, 2021 · US
Expandable pilot assembly for pressure regulators
US-2020347957-A1 · Nov 5, 2020 · US
Flow-rate adjustable valve and method of manufacturing the same
US-10767765-B2 · Sep 8, 2020 · US
Servovalve
US-10731673-B2 · Aug 4, 2020 · US
Pilot-pressure-controlled flow valve and fluid system containing same
US-2020166149-A1 · May 28, 2020 · US
Valve, Use of Such Valve, Separator Comprising Such Valve and Method of Operating a Separator
US-2020147538-A1 · May 14, 2020 · US
Valve device
US-10634263-B2 · Apr 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K31/128?
- CPC F16K31/128 is the Cooperative Patent Classification code for “servo actuated.”
- How many patents are filed under CPC F16K31/128 (servo actuated)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC F16K31/128 growing?
- Publication counts under this code: 4 in 2023 vs 3 in 2024 (latest complete years).