Multirotor joined-wing aircraft with VTOL capabilities
US-10981650-B2 · Apr 20, 2021 · US
having multiple fuselages or tail booms
having multiple fuselages or tail booms · 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 | B64C39/04 |
| Official title | having multiple fuselages or tail booms |
| Display label | having multiple fuselages or tail booms |
| Total patents | 173 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 5 |
| 2017 | 6 |
| 2018 | 9 |
| 2019 | 18 |
| 2020 | 21 |
| 2021 | 16 |
| 2022 | 34 |
| 2023 | 28 |
| 2024 | 17 |
| 2025 | 16 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vtol aircraft with tilting rotors and tilting ducted fans
US-2020391862-A1 · Dec 17, 2020 · US
Efficient low carbon emission airplane integrating jet fuel and cryogenic fuel systems
US-10800525-B2 · Oct 13, 2020 · US
Geo-fiducials for uav navigation
US-2020301445-A1 · Sep 24, 2020 · US
Method, apparatus, and kit for assembling a mobile platform
US-2020277056-A1 · Sep 3, 2020 · US
Battery Switch with Current Control
US-2020274368-A1 · Aug 27, 2020 · US
Programmable Battery Pack
US-2020274386-A1 · Aug 27, 2020 · US
Multirotor joined-wing aircraft with vtol capabilities
US-2020269980-A1 · Aug 27, 2020 · US
Programmable Battery Pack
US-2020274203-A1 · Aug 27, 2020 · US
Robust amphibious aircraft
US-2020255137-A1 · Aug 13, 2020 · US
Versatile multirotor aerial vehicles
US-10696392-B1 · Jun 30, 2020 · US
Robust amphibious aircraft
US-10676187-B2 · Jun 9, 2020 · US
Method, apparatus, and kit for assembling a mobile platform
US-10661900-B2 · May 26, 2020 · US
Aircraft having omnidirectional ground maneuver capabilities
US-10661892-B2 · May 26, 2020 · US
Unmanned aerial vehicle with a tri-wing configuration
US-10640204-B2 · May 5, 2020 · US
Assembly for aircraft comprising engines with boundary layer ingestion propulsion
US-10633101-B2 · Apr 28, 2020 · US
Electrically or hybrid powered multirotor aircraft with optimized energy consumption
US-2020115045-A1 · Apr 16, 2020 · US
Modular and dynamically reconfigurable flying systems encompassing flying vehicle modules
US-2020094965-A1 · Mar 26, 2020 · US
Modular and dynamically reconfigurable flying systems encompassing flying vehicle modules
US-2020062398-A1 · Feb 27, 2020 · US
System, method, and apparatus for battery cell-stack compression
US-10566647-B2 · Feb 18, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C39/04?
- CPC B64C39/04 is the Cooperative Patent Classification code for “having multiple fuselages or tail booms.”
- How many patents are filed under CPC B64C39/04 (having multiple fuselages or tail booms)?
- Our database includes 173 publications tagged with this CPC code.
- Is patent activity under CPC B64C39/04 growing?
- Publication counts under this code: 17 in 2024 vs 16 in 2025 (latest complete years).