System for controlling at least one hydraulic valve
US-2025251721-A1 · Aug 7, 2025 · US
hydraulic
hydraulic · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G05B19/46 |
| Official title | hydraulic |
| Display label | hydraulic |
| Total patents | 44 |
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 | 1 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 9 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for operating a hydraulic drive
US-12331766-B2 · Jun 17, 2025 · US
Hydraulic systems
US-2024140593-A1 · May 2, 2024 · US
System and method for controlling fluid flow with a pressure relief valve
US-11921525-B1 · Mar 5, 2024 · US
Feature set and methods for a digital positioner
US-11658603-B2 · May 23, 2023 · US
Monitoring and control of proppant storage from a datavan
US-2022334546-A1 · Oct 20, 2022 · US
Control of hydraulic actuating cylinders in roll stands
US-11448239-B2 · Sep 20, 2022 · US
Electro-hydraulic servovalve control with input
US-11428247-B2 · Aug 30, 2022 · US
Feature set and methods for a digital positioner
US-11368120-B2 · Jun 21, 2022 · US
Feature set and methods for a digital positioner
US-2022166366-A1 · May 26, 2022 · US
System for mounting an annular component on a shaft
US-11313414-B2 · Apr 26, 2022 · US
Method for Operating a Hydraulic Drive
US-2022120297-A1 · Apr 21, 2022 · US
Control of hydraulic actuating cylinders in roll stands
US-2022082115-A1 · Mar 17, 2022 · US
Hydrostatic apparatus and method of operating the same
US-11261862-B2 · Mar 1, 2022 · US
Feature set and methods for a digital positioner
US-2021367548-A1 · Nov 25, 2021 · US
Monitoring and control of proppant storage from a datavan
US-11181879-B2 · Nov 23, 2021 · US
Electro-Hydraulic Servovalve Control with Input
US-2021246915-A1 · Aug 12, 2021 · US
System and method for control of a work vehicle
US-11053665-B2 · Jul 6, 2021 · US
Apparatus
US-10995476-B2 · May 4, 2021 · US
Hydraulic system with servo drive and hydraulic load and control unit for the hydraulic system
US-10837466-B2 · Nov 17, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G05B19/46?
- CPC G05B19/46 is the Cooperative Patent Classification code for “hydraulic.”
- How many patents are filed under CPC G05B19/46 (hydraulic)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC G05B19/46 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).