Multi-piece inboard-beam
US-10450059-B2 · Oct 22, 2019 · US
Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft
Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft · 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 | B64C27/22 |
| Official title | Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft |
| Display label | Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft |
| Total patents | 292 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 11 |
| 2017 | 14 |
| 2018 | 19 |
| 2019 | 35 |
| 2020 | 38 |
| 2021 | 55 |
| 2022 | 37 |
| 2023 | 23 |
| 2024 | 31 |
| 2025 | 19 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Seals for allowing off-axis motion while maintaining sealed connection
US-2019257425-A1 · Aug 22, 2019 · US
Hybrid yoke
US-2019233095-A1 · Aug 1, 2019 · US
A multirotor aircraft with an airframe and at least one wing
US-2019112039-A1 · Apr 18, 2019 · US
Composite airspeed indicator display for compound aircrafts
US-2019113403-A1 · Apr 18, 2019 · US
Coaxial twin-propeller twin-motor aerial vehicle
US-10259573-B2 · Apr 16, 2019 · US
Modular fuselage for unmanned aerial vehicle
US-2019106192-A1 · Apr 11, 2019 · US
Hybrid power systems for aircraft
US-2019100322-A1 · Apr 4, 2019 · US
Hybrid aircraft
US-2019084684-A1 · Mar 21, 2019 · US
Propeller Arrangement For An Aircraft
US-2019031318-A1 · Jan 31, 2019 · US
Retractable and deployable flight rotor system
US-2018362154-A1 · Dec 20, 2018 · US
Method for automatic piloting of a rotary wing aircraft having at least one thruster propeller, associated automatic autopilot device, and aircraft
US-10144508-B2 · Dec 4, 2018 · US
Aircraft capable of vertical take-off
US-10131426-B2 · Nov 20, 2018 · US
Aircraft control system based on sparse set of simulation data
US-10101719-B1 · Oct 16, 2018 · US
Light adjustment control for cameras of an aerial vehicle
US-10086956-B2 · Oct 2, 2018 · US
Vibration Isolation Systems for Advancing Blade Concept Rotorcraft
US-2018265186-A1 · Sep 20, 2018 · US
Dual Function Aircraft
US-2018229606-A1 · Aug 16, 2018 · US
Tiltrotor aircraft having journal bearing mounted pylon assemblies
US-10040562-B2 · Aug 7, 2018 · US
Method of automatically controlling a rotary wing aircraft having at least one propulsion propeller, an autopilot device, and an aircraft
US-10023306-B2 · Jul 17, 2018 · US
Compound aircraft having an additional anti-torque device
US-10005550-B2 · Jun 26, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C27/22?
- CPC B64C27/22 is the Cooperative Patent Classification code for “Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft.”
- How many patents are filed under CPC B64C27/22 (Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft)?
- Our database includes 292 publications tagged with this CPC code.
- Is patent activity under CPC B64C27/22 growing?
- Publication counts under this code: 31 in 2024 vs 19 in 2025 (latest complete years).