Exhaust duct
US-2024337382-A1 · Oct 10, 2024 · US
within, or attached to, fuselages
within, or attached to, fuselages · 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 | B64D27/20 |
| Official title | within, or attached to, fuselages |
| Display label | within, or attached to, fuselages |
| Total patents | 352 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 14 |
| 2017 | 36 |
| 2018 | 53 |
| 2019 | 42 |
| 2020 | 46 |
| 2021 | 34 |
| 2022 | 44 |
| 2023 | 27 |
| 2024 | 21 |
| 2025 | 21 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Stabilizer assembly for an aircraft aft engine
US-2017369152-A1 · Dec 28, 2017 · US
Assembly for aircraft comprising engines with boundary layer propulsion by injection
US-2017361939-A1 · Dec 21, 2017 · US
Conjoined reverse core flow engine arrangement
US-9845159-B2 · Dec 19, 2017 · US
Aft engine for an aircraft
US-9821917-B2 · Nov 21, 2017 · US
Aircraft engine mounting system and method of mounting aircraft engines
US-2017327239-A1 · Nov 16, 2017 · US
AFT engine nacelle shape for an aircraft
US-9815560-B2 · Nov 14, 2017 · US
Aircraft
US-9815559-B2 · Nov 14, 2017 · US
Reconfigurable lubrication system for multiple powertrain orientations
US-2017314469-A1 · Nov 2, 2017 · US
Aircraft engine assembly comprising a pylon leading edge incorporated with an annular row of unfaired after-guide vanes
US-2017313430-A1 · Nov 2, 2017 · US
Method and apparatus for reducing high transient mount load in aircraft engine mounting systems
US-9783312-B2 · Oct 10, 2017 · US
System and method for protecting the structural integrity of an engine strut
US-2017267365-A1 · Sep 21, 2017 · US
Aircraft engine mounting system and method of mounting aircraft engines
US-9745073-B2 · Aug 29, 2017 · US
Configuration for vertical take-off and landing system for aerial vehicles
US-2017240275-A1 · Aug 24, 2017 · US
Aircraft engine cleaning system
US-2017210491-A1 · Jul 27, 2017 · US
Jet engines and their arrangement in the rear section of an aircraft
US-2017167437-A1 · Jun 15, 2017 · US
Clocked thrust reversers
US-9663239-B2 · May 30, 2017 · US
Tiltrotor Aircraft having Rotary and Non Rotary Flight Modes
US-2017144746-A1 · May 25, 2017 · US
Aircraft engine cleaning system
US-9657590-B2 · May 23, 2017 · US
Aircraft engine mounting system and method of mounting aircraft engines
US-2017137140-A1 · May 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64D27/20?
- CPC B64D27/20 is the Cooperative Patent Classification code for “within, or attached to, fuselages.”
- How many patents are filed under CPC B64D27/20 (within, or attached to, fuselages)?
- Our database includes 352 publications tagged with this CPC code.
- Is patent activity under CPC B64D27/20 growing?
- Publication counts under this code: 21 in 2024 vs 21 in 2025 (latest complete years).