Pressure control valve
US-12292128-B2 · May 6, 2025 · US
using pistons within the main valve
using pistons within the main valve · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G05D16/166 |
| Official title | {using pistons within the main valve} |
| Display label | using pistons within the main valve |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 8 |
| 2019 | 8 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 1 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pressure control valve
US-2024191809-A1 · Jun 13, 2024 · US
Gas regulator pressure-relief monitor
US-11971291-B2 · Apr 30, 2024 · US
Pressure regulating shut-off valve
US-2024111316-A1 · Apr 4, 2024 · US
Gas Regulator Pressure-Relief Monitor
US-2022196454-A1 · Jun 23, 2022 · US
Hybrid flow and pressure regulation
US-11079776-B2 · Aug 3, 2021 · US
Fluidic device for supplying working fluid
US-10996692-B2 · May 4, 2021 · US
Direct-acting valve
US-10927963-B2 · Feb 23, 2021 · US
Control valve
US-10865890-B2 · Dec 15, 2020 · US
Method of decreasing tire pressure
US-10828940-B2 · Nov 10, 2020 · US
Hydraulic system for a transmission of a motor vehicle
US-10794468-B2 · Oct 6, 2020 · US
Valve subassembly with load holding in the control spool
US-10698428-B2 · Jun 30, 2020 · US
Hybrid Flow and Pressure Regulation
US-2019361469-A1 · Nov 28, 2019 · US
Fluidic device for supplying working fluid
US-2019326620-A1 · Oct 24, 2019 · US
Hybrid flow and pressure regulation
US-10437268-B2 · Oct 8, 2019 · US
Valve Subassembly with Load Holding in the Control Spool
US-2019302812-A1 · Oct 3, 2019 · US
Pressure regulation servo-valve with reduced leakage flow rate
US-10344780-B2 · Jul 9, 2019 · US
Hydraulic System for a Transmission of a Motor Vehicle
US-2019093756-A1 · Mar 28, 2019 · US
Differential pressure regulating shut-off valve
US-10241523-B2 · Mar 26, 2019 · US
Hybrid Flow and Pressure Regulation
US-2019064856-A1 · Feb 28, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G05D16/166?
- CPC G05D16/166 is the Cooperative Patent Classification code for “using pistons within the main valve.”
- How many patents are filed under CPC G05D16/166 (using pistons within the main valve)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC G05D16/166 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).