Navigable aeronautical and nautical craft
US-2024308656-A1 · Sep 19, 2024 · US
having multiple wings
having multiple 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 | B64C39/08 |
| Official title | having multiple wings |
| Display label | having multiple wings |
| Total patents | 201 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 18 |
| 2019 | 18 |
| 2020 | 31 |
| 2021 | 28 |
| 2022 | 30 |
| 2023 | 22 |
| 2024 | 19 |
| 2025 | 21 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aircraft
US-2020407055-A1 · Dec 31, 2020 · US
Biplane tiltrotor aircraft
US-10836481-B2 · Nov 17, 2020 · US
Unmanned aerial vehicle and method for detecting flight state thereof, and wearable device
US-10817001-B2 · Oct 27, 2020 · US
Autonomous package delivery aircraft
US-10752350-B2 · Aug 25, 2020 · US
Adaptive flight controls
US-2020148345-A1 · May 14, 2020 · US
Rotor assembly having a ball joint for thrust vectoring capabilities
US-10618646-B2 · Apr 14, 2020 · US
Aircraft having redundant directional control
US-10597164-B2 · Mar 24, 2020 · US
Dual tiltwing aircraft having a quadrilateral linkage
US-10597152-B2 · Mar 24, 2020 · US
Six degree of freedom aerial vehicle having reconfigurable propellers
US-2020089227-A1 · Mar 19, 2020 · US
Aerial vehicle propellers having variable force-torque ratios
US-2020081432-A1 · Mar 12, 2020 · US
Vertical take-off and landing unmanned aerial vehicle
US-2019389573-A1 · Dec 26, 2019 · US
X-tiltwing aircraft
US-10513334-B2 · Dec 24, 2019 · US
Autonomous Package Delivery Aircraft
US-2019375499-A1 · Dec 12, 2019 · US
Convertible propeller
US-10501177-B2 · Dec 10, 2019 · US
Aircraft having dual rotor-to-wing conversion capabilities
US-10407169-B2 · Sep 10, 2019 · US
M-Wing Aircraft having VTOL and Biplane Orientations
US-2019263516-A1 · Aug 29, 2019 · US
Aircraft having M-wings
US-10329014-B2 · Jun 25, 2019 · US
Electric speed controller, flight controller, and control method and control system of unmanned aerial vehicle
US-2019190408-A1 · Jun 20, 2019 · US
Extended Range Quad Tiltrotor Aircraft
US-2019144109-A1 · May 16, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C39/08?
- CPC B64C39/08 is the Cooperative Patent Classification code for “having multiple wings.”
- How many patents are filed under CPC B64C39/08 (having multiple wings)?
- Our database includes 201 publications tagged with this CPC code.
- Is patent activity under CPC B64C39/08 growing?
- Publication counts under this code: 19 in 2024 vs 21 in 2025 (latest complete years).