Extruded wing protection system and device
US-11535361-B2 · Dec 27, 2022 · US
with power amplification
with power amplification · 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 | B64C13/38 |
| Official title | with power amplification |
| Display label | with power amplification |
| Total patents | 148 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 10 |
| 2020 | 14 |
| 2021 | 12 |
| 2022 | 23 |
| 2023 | 19 |
| 2024 | 27 |
| 2025 | 28 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wing tip control effector
US-11520355-B2 · Dec 6, 2022 · US
Wing and aircraft
US-11492097-B2 · Nov 8, 2022 · US
Drive system with integrated torque sensing device
US-2022324551-A1 · Oct 13, 2022 · US
Aircraft wing and flight control surface
US-11447234-B2 · Sep 20, 2022 · US
Wing tip control effector
US-2022276661-A1 · Sep 1, 2022 · US
Pylon Tracking Systems for Tiltrotor Aircraft
US-2022267025-A1 · Aug 25, 2022 · US
Actuator assembly
US-2022250737-A1 · Aug 11, 2022 · US
Thin wing multi slice rga on leading edge
US-2022228647-A1 · Jul 21, 2022 · US
Aircraft with displaceable control surface
US-2022111949-A1 · Apr 14, 2022 · US
Antivibration kit-of-parts and parts therefor, airfoil structure and aircraft provided therewith
US-2022089272-A1 · Mar 24, 2022 · US
Duct vane rotation system
US-2021394897-A1 · Dec 23, 2021 · US
Duct vane rotation system
US-11203426-B1 · Dec 21, 2021 · US
Flap actuation systems and related methods
US-2021316842-A1 · Oct 14, 2021 · US
Wing for an aircraft
US-11104423-B2 · Aug 31, 2021 · US
Methods and apparatus to control camber
US-11097829-B2 · Aug 24, 2021 · US
Aircraft, control surface arrangements, and methods of assembling an aircraft
US-11077934-B2 · Aug 3, 2021 · US
Aircraft with displaceable control surface
US-2021122458-A1 · Apr 29, 2021 · US
Feed forward equalization control for active-active redundant actuation systems
US-10988237-B1 · Apr 27, 2021 · US
Combined active stick and control boost actuator system
US-10967953-B2 · Apr 6, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C13/38?
- CPC B64C13/38 is the Cooperative Patent Classification code for “with power amplification.”
- How many patents are filed under CPC B64C13/38 (with power amplification)?
- Our database includes 148 publications tagged with this CPC code.
- Is patent activity under CPC B64C13/38 growing?
- Publication counts under this code: 27 in 2024 vs 28 in 2025 (latest complete years).