Methods and apparatus for redundant actuation of control surfaces
US-11198502-B2 · Dec 14, 2021 · US
fluid
fluid · 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 | B64C13/36 |
| Official title | fluid |
| Display label | fluid |
| Total patents | 96 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 10 |
| 2018 | 9 |
| 2019 | 7 |
| 2020 | 15 |
| 2021 | 13 |
| 2022 | 9 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 13 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Recirculating ball screw rotary actuator
US-2021310547-A1 · Oct 7, 2021 · US
Power-assisted aircraft crank device, and an aircraft
US-11097833-B2 · Aug 24, 2021 · US
Portable external oil cooler process for performing hydraulic system functional tests on unfueled airplanes
US-11078936-B2 · Aug 3, 2021 · US
Vortex generator arrangement for an aircraft
US-10967958-B2 · Apr 6, 2021 · US
Methods and apparatus for redundant actuation of control surfaces
US-2021086889-A1 · Mar 25, 2021 · US
Stowed blade pneumatic clamp
US-2021078695-A1 · Mar 18, 2021 · US
Bootstrap hydraulic reservoir
US-10920795-B2 · Feb 16, 2021 · US
Portable External Oil Cooler Process for Performing Hydraulic System Functional Tests on Unfueled Airplanes
US-2020386249-A1 · Dec 10, 2020 · US
Aircraft control comprising a pedal coupled to a cylinder and associated control device
US-10822073-B2 · Nov 3, 2020 · US
Power source for an aircraft
US-10814992-B2 · Oct 27, 2020 · US
Distributed linear hydraulic high lift actuation system with synchronization members
US-10773795-B2 · Sep 15, 2020 · US
Power-assisted crank device, and an aircraft
US-2020269969-A1 · Aug 27, 2020 · US
Apparatus, system, and method for determining a position of a part
US-10690520-B2 · Jun 23, 2020 · US
Bootstrap hydraulic reservoir
US-2020166055-A1 · May 28, 2020 · US
Electronically controlled rotary actuator for an aircraft control surface
US-10633080-B2 · Apr 28, 2020 · US
Distributed Linear Hydraulic High Lift Actuation System With Synchronization Members
US-2020094945-A1 · Mar 26, 2020 · US
Transmission of power and communication of signals over fuel and hydraulic lines in a vehicle
US-10587307-B2 · Mar 10, 2020 · US
Passive gust alleviation systems for aircraft devices
US-2020070958-A1 · Mar 5, 2020 · US
Aircraft hydraulic systems having shared components
US-10570931-B2 · Feb 25, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C13/36?
- CPC B64C13/36 is the Cooperative Patent Classification code for “fluid.”
- How many patents are filed under CPC B64C13/36 (fluid)?
- Our database includes 96 publications tagged with this CPC code.
- Is patent activity under CPC B64C13/36 growing?
- Publication counts under this code: 3 in 2024 vs 13 in 2025 (latest complete years).