Hydraulic system and passenger restraint system
US-12570235-B2 · Mar 10, 2026 · US
Fluid supply for locking or release independent of actuator pressurisation
Fluid supply for locking or release independent of actuator pressurisation · 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 | F15B2015/268 |
| Official title | {Fluid supply for locking or release independent of actuator pressurisation} |
| Display label | Fluid supply for locking or release independent of actuator pressurisation |
| Total patents | 49 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Three-position control device and three-position control method
US-12516684-B2 · Jan 6, 2026 · US
Three-position control device and three-position control method
US-2025305521-A1 · Oct 2, 2025 · US
Hydraulic system and passenger restraint system
US-2025236258-A1 · Jul 24, 2025 · US
Propulsion system
US-2025187711-A1 · Jun 12, 2025 · US
Integrated pump device
US-2024337277-A1 · Oct 10, 2024 · US
Auto-lock hydraulic hoist cylinder device and control method thereof
US-12012977-B2 · Jun 18, 2024 · US
Hydraulic locking device for an exoskeleton joint and exoskeleton joint
US-2023265868-A1 · Aug 24, 2023 · US
Auto-lock hydraulic hoist cylinder device and control method thereof
US-2023115414-A1 · Apr 13, 2023 · US
Pneumatic cylinder device with holding valve
US-11572903-B2 · Feb 7, 2023 · US
Multirod fluid actuator arrangement
US-11506231-B2 · Nov 22, 2022 · US
An actuator apparatus comprising a positioning actuator
US-2022135209-A1 · May 5, 2022 · US
Fluid actuator arrangement and a method for control of a fluid actuator arrangement
US-11286965-B2 · Mar 29, 2022 · US
Pneumatic cylinder device with holding valve
US-2022074436-A1 · Mar 10, 2022 · US
Multirod fluid actuator arrangement
US-2021381533-A1 · Dec 9, 2021 · US
Hydraulic thrust reverser actuation system
US-11136940-B2 · Oct 5, 2021 · US
Modular fluid actuator system
US-11111932-B2 · Sep 7, 2021 · US
Method for securing an aircraft wheel drive actuator in an open position
US-11014653-B2 · May 25, 2021 · US
Fluid actuator arrangement
US-10900503-B2 · Jan 26, 2021 · US
Hydraulic thrust reverser actuation system
US-2020378342-A1 · Dec 3, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15B2015/268?
- CPC F15B2015/268 is the Cooperative Patent Classification code for “Fluid supply for locking or release independent of actuator pressurisation.”
- How many patents are filed under CPC F15B2015/268 (Fluid supply for locking or release independent of actuator pressurisation)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC F15B2015/268 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).