Vertical take-off and landing aircraft with deployable rotors
US-2023382541-A1 · Nov 30, 2023 · US
having multiple wings joined at the tips
having multiple wings joined at the tips · 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 | B64C39/068 |
| Official title | {having multiple wings joined at the tips} |
| Display label | having multiple wings joined at the tips |
| Total patents | 82 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 11 |
| 2021 | 14 |
| 2022 | 14 |
| 2023 | 14 |
| 2024 | 11 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Tail sitter
US-11794892-B2 · Oct 24, 2023 · US
Structural arrangement and method for counteracting a vertical moment of a strut-braced wing
US-11787524-B2 · Oct 17, 2023 · US
VTOL aircraft using fixed forward canted rotors to simulate rigid wing dynamics
US-11780572-B2 · Oct 10, 2023 · US
VTOL aircraft using rotors to simulate rigid wing dynamics
US-11780573-B2 · Oct 10, 2023 · US
Tail sitter
US-11772789-B2 · Oct 3, 2023 · US
Unmanned aerial vehicle for low-pressure hydrogen transport
US-2023249818-A1 · Aug 10, 2023 · US
Aerodynamically efficient lightweight vertical take-off and landing aircraft with pivoting rotors and box wing design
US-11661202-B2 · May 30, 2023 · US
Articulated Electric Propulsion System And Lightweight Vertical Take-Off And Landing Aircraft Using Same
US-2023137714-A1 · May 4, 2023 · US
Vertical take-off and landing unmanned aerial vehicle having foldable fixed wing and based on twin-ducted fan power system
US-11634222-B2 · Apr 25, 2023 · US
Aerodynamically efficient lightweight vertical take-off and landing aircraft with deployable rotors
US-11613370-B2 · Mar 28, 2023 · US
Articulated electric propulsion system with fully stowing blades and lightweight vertical take-off and landing aircraft using same
US-11453490-B2 · Sep 27, 2022 · US
Amphibious aerial vehicle
US-11440654-B2 · Sep 13, 2022 · US
Vtol aircraft
US-2022281593-A1 · Sep 8, 2022 · US
Aerodynamically Efficient Lightweight Vertical Take-Off And Landing Aircraft
US-2022258870-A1 · Aug 18, 2022 · US
Lift rotor system
US-11407507-B2 · Aug 9, 2022 · US
Aerodynamically Efficient Lightweight Vertical Take-Off And Landing Aircraft With Pivoting Rotors And Box Wing Design
US-2022204174-A1 · Jun 30, 2022 · US
Compound helicopter with braced wings in joined-wing configuration
US-2022169372-A1 · Jun 2, 2022 · US
Aerodynamically efficient lightweight vertical take-off and landing aircraft with deployable rotors
US-2022144440-A1 · May 12, 2022 · US
Vtol aircraft using rotors to simulate rigid wing dynamics
US-2022081108-A1 · Mar 17, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C39/068?
- CPC B64C39/068 is the Cooperative Patent Classification code for “having multiple wings joined at the tips.”
- How many patents are filed under CPC B64C39/068 (having multiple wings joined at the tips)?
- Our database includes 82 publications tagged with this CPC code.
- Is patent activity under CPC B64C39/068 growing?
- Publication counts under this code: 11 in 2024 vs 7 in 2025 (latest complete years).