Transmission of power and communication of signals over fuel and hydraulic lines in a vehicle
US-2017366228-A1 · Dec 21, 2017 · US
using fluid pressure
using fluid pressure · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B64C13/40 |
| Official title | using fluid pressure |
| Display label | using fluid pressure |
| Total patents | 346 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 23 |
| 2017 | 32 |
| 2018 | 33 |
| 2019 | 41 |
| 2020 | 36 |
| 2021 | 41 |
| 2022 | 42 |
| 2023 | 32 |
| 2024 | 21 |
| 2025 | 27 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Foldable wing and actuator arrangement
US-2017355441-A1 · Dec 14, 2017 · US
Rotational inerter and method for damping an actuator
US-2017335916-A1 · Nov 23, 2017 · US
Engine driven pump (EDP) automatic depressurization system
US-9823670-B2 · Nov 21, 2017 · US
Rotary piston type actuator with a central actuation assembly
US-9816537-B2 · Nov 14, 2017 · US
Force fight mitigation
US-2017283040-A1 · Oct 5, 2017 · US
Accessory drive gearbox for controlling the flaps of an aircraft
US-9758238-B2 · Sep 12, 2017 · US
Aerodynamic control surface movement monitoring system
US-2017233095-A1 · Aug 17, 2017 · US
Hydraulic system and method for an aircraft flight control system
US-2017233064-A1 · Aug 17, 2017 · US
Linear Actuator System with Circumferentially and Axially Adjustable End Stop Assembly
US-2017198790-A1 · Jul 13, 2017 · US
Aircraft control comprising a pedal coupled to a cylinder and associated control device
US-2017166297-A1 · Jun 15, 2017 · US
System And Method For Detecting Mechanical Failure In The High Lift System Of An Aircraft
US-2017158348-A1 · Jun 8, 2017 · US
Dual-purpose locking and folding arrangement for an aircraft wing tip device
US-2017152015-A1 · Jun 1, 2017 · US
A fluid actuator arrangement
US-2017146034-A1 · May 25, 2017 · US
Cooling of a motor for driving an aircraft wheel
US-2017129590-A1 · May 11, 2017 · US
Systems and methods for heat balance and transport for aircraft hydraulic systems
US-9644898-B2 · May 9, 2017 · US
Rotary piston actuator anti-rotation configurations
US-9631645-B2 · Apr 25, 2017 · US
Method for testing a component in a high lift system of an aircraft
US-9630725-B2 · Apr 25, 2017 · US
Double hydraulic valve of a servo-control for feathering the blades of a rotorcraft rotor
US-9624946-B2 · Apr 18, 2017 · US
Actuators and methods for aircraft flight control surfaces
US-2017088251-A1 · Mar 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C13/40?
- CPC B64C13/40 is the Cooperative Patent Classification code for “using fluid pressure.”
- How many patents are filed under CPC B64C13/40 (using fluid pressure)?
- Our database includes 346 publications tagged with this CPC code.
- Is patent activity under CPC B64C13/40 growing?
- Publication counts under this code: 21 in 2024 vs 27 in 2025 (latest complete years).