Aircraft having rotor assemblies rotating in parallel planes
US-12110105-B2 · Oct 8, 2024 · US
having disc- or ring-shaped wings
having disc- or ring-shaped wings · 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 | B64C39/06 |
| Official title | having disc- or ring-shaped wings |
| Display label | having disc- or ring-shaped wings |
| Total patents | 71 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 9 |
| 2019 | 6 |
| 2020 | 15 |
| 2021 | 8 |
| 2022 | 6 |
| 2023 | 9 |
| 2024 | 9 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Distributed Propulsion System for Vertical Take Off and Landing Closed Wing Aircraft
US-2024294252-A1 · Sep 5, 2024 · US
Distributed propulsion system
US-12006036-B2 · Jun 11, 2024 · US
Vertical take off and landing closed wing aircraft
US-12006037-B2 · Jun 11, 2024 · US
Vtol aircraft using fixed forward canted rotors
US-2024101252-A1 · Mar 28, 2024 · US
Distributed Propulsion System for Vertical Take Off and Landing Closed Wing Aircraft
US-2024043117-A1 · Feb 8, 2024 · US
Distributed Propulsion System for Vertical Take Off and Landing Closed Wing Aircraft
US-2023382526-A1 · Nov 30, 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
Aircraft having Rotor Assemblies Rotating in Parallel Planes
US-2023192288-A1 · Jun 22, 2023 · US
Distributed propulsion system
US-2023192293-A1 · Jun 22, 2023 · US
Vertical take off and landing closed wing aircraft
US-11679877-B2 · Jun 20, 2023 · US
Distributed propulsion system for vertical take off and landing closed wing aircraft
US-11613355-B2 · Mar 28, 2023 · US
Distributed propulsion system
US-11603203-B2 · Mar 14, 2023 · US
Aircraft having a high efficiency forward flight mode
US-11603194-B2 · Mar 14, 2023 · US
Aircraft having a High Efficiency Forward Flight Mode
US-2022212785-A1 · Jul 7, 2022 · US
Aircraft generating thrust in multiple directions
US-11312487-B2 · Apr 26, 2022 · US
Tilting closed-wing aircraft
US-11279478-B2 · Mar 22, 2022 · US
Vtol aircraft using rotors to simulate rigid wing dynamics
US-2022081108-A1 · Mar 17, 2022 · US
Damping landing gear systems for vtol aircraft
US-11254423-B2 · Feb 22, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C39/06?
- CPC B64C39/06 is the Cooperative Patent Classification code for “having disc- or ring-shaped wings.”
- How many patents are filed under CPC B64C39/06 (having disc- or ring-shaped wings)?
- Our database includes 71 publications tagged with this CPC code.
- Is patent activity under CPC B64C39/06 growing?
- Publication counts under this code: 9 in 2024 vs 7 in 2025 (latest complete years).