Compensating for orientation of a valve positioner on a valve assembly
US-10865817-B2 · Dec 15, 2020 · US
Servomotor systems with program control derived from a store or timing device; Control devices therefor
Servomotor systems with program control derived from a store or timing device; Control devices therefor · 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 | F15B21/02 |
| Official title | Servomotor systems with program control derived from a store or timing device; Control devices therefor |
| Display label | Servomotor systems with program control derived from a store or timing device; Control devices therefor |
| Total patents | 184 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 14 |
| 2019 | 23 |
| 2020 | 26 |
| 2021 | 29 |
| 2022 | 21 |
| 2023 | 16 |
| 2024 | 16 |
| 2025 | 19 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for the supply of compressed air to a compressed-air consumer, valve device and data carrier with a computer program
US-10808738-B2 · Oct 20, 2020 · US
Method to automatically detect parameter for pressure dynamics control
US-2020291970-A1 · Sep 17, 2020 · US
Time-based power boost control system
US-2020263708-A1 · Aug 20, 2020 · US
Motor control apparatus
US-10739734-B2 · Aug 11, 2020 · US
Work machine operation assistance device
US-10711436-B2 · Jul 14, 2020 · US
Hydraulic system for driving a vibratory mechanism
US-10669677-B2 · Jun 2, 2020 · US
Method for controlling a hydraulic actuator
US-2020158141-A1 · May 21, 2020 · US
Shift control device
US-10591052-B2 · Mar 17, 2020 · US
Real-Time Capable Control Strategy for Hydraulic Systems While Systematically Taking into Consideration Control (Rate) and State Variable Constraints
US-2019377371-A1 · Dec 12, 2019 · US
Driving apparatus
US-2019360506-A1 · Nov 28, 2019 · US
Method to automatically detect the area ratio of an actuator
US-10487860-B2 · Nov 26, 2019 · US
Fan drive system and management system
US-10473127-B2 · Nov 12, 2019 · US
Optimized method for controlling position and crossover pressure in a double acting actuator
US-10458444-B2 · Oct 29, 2019 · US
Metering fluid to fluid actuators
US-10458439-B2 · Oct 29, 2019 · US
Hydraulic activation of a parking lock
US-10435001-B2 · Oct 8, 2019 · US
Hydraulic valve assembly with automated tuning
US-2019301496-A1 · Oct 3, 2019 · US
Construction machine
US-2019284782-A1 · Sep 19, 2019 · US
Control strategy for hydraulic actuator with a pair of independent metering valves
US-10408238-B2 · Sep 10, 2019 · US
Consumer control device and a control method
US-2019257329-A1 · Aug 22, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15B21/02?
- CPC F15B21/02 is the Cooperative Patent Classification code for “Servomotor systems with program control derived from a store or timing device; Control devices therefor.”
- How many patents are filed under CPC F15B21/02 (Servomotor systems with program control derived from a store or timing device; Control devices therefor)?
- Our database includes 184 publications tagged with this CPC code.
- Is patent activity under CPC F15B21/02 growing?
- Publication counts under this code: 16 in 2024 vs 19 in 2025 (latest complete years).