Aircraft
US-2023391449-A1 · Dec 7, 2023 · US
with rotor blades fixed in flight to act as lifting surfaces
with rotor blades fixed in flight to act as lifting surfaces · 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 | B64C27/24 |
| Official title | with rotor blades fixed in flight to act as lifting surfaces |
| Display label | with rotor blades fixed in flight to act as lifting surfaces |
| Total patents | 81 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 6 |
| 2018 | 12 |
| 2019 | 7 |
| 2020 | 9 |
| 2021 | 7 |
| 2022 | 9 |
| 2023 | 12 |
| 2024 | 8 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Active sail blade
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Rotary wing aircraft with at least two rotors and a propulsion unit
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Aircraft
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Method of controlling an activation system, emergency control system, and aircraft equipped with such system
US-11679874-B2 · Jun 20, 2023 · US
Air vehicle and method for operating the air vehicle
US-2023139693-A1 · May 4, 2023 · US
Convertible Staggerwing Aircraft having Optimized Hover Power
US-2023091705-A1 · Mar 23, 2023 · US
Vertical takeoff and landing aerial vehicle
US-11535368-B2 · Dec 27, 2022 · US
Methods and systems for optimizing battery recharge management for use with an electric vertical take-off and landing aircraft
US-11465529-B1 · Oct 11, 2022 · US
Control system for controlling at least one propeller of a compound rotorcraft, associated compound rotorcraft and control method
US-2022306290-A1 · Sep 29, 2022 · US
Non-Integral Battery Cold Plate
US-2022250507-A1 · Aug 11, 2022 · US
Dynamic Aircraft Routing
US-2022208010-A1 · Jun 30, 2022 · US
Air mobility vehicle
US-2022194618-A1 · Jun 23, 2022 · US
Ducted fan of an aircraft and aircraft
US-2022111950-A1 · Apr 14, 2022 · US
Vertical takeoff and landing aerial vehicle
US-2022041272-A1 · Feb 10, 2022 · US
Dynamic aircraft routing
US-11244572-B2 · Feb 8, 2022 · US
Flight efficiency improving system for compound helicopter
US-2021371091-A1 · Dec 2, 2021 · US
Compound helicopter with a fixed wing arrangement
US-11148792-B2 · Oct 19, 2021 · US
Battery holding device, battery system, aircraft and method for changing a battery for an aircraft
US-2021265694-A1 · Aug 26, 2021 · US
Method for controlling a hybrid helicopter in the event of an engine failure
US-2021253262-A1 · Aug 19, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C27/24?
- CPC B64C27/24 is the Cooperative Patent Classification code for “with rotor blades fixed in flight to act as lifting surfaces.”
- How many patents are filed under CPC B64C27/24 (with rotor blades fixed in flight to act as lifting surfaces)?
- Our database includes 81 publications tagged with this CPC code.
- Is patent activity under CPC B64C27/24 growing?
- Publication counts under this code: 8 in 2024 vs 7 in 2025 (latest complete years).