Long range endurance aero platform system
US-11851178-B2 · Dec 26, 2023 · US
having annular wings
having annular 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 | B64C39/062 |
| Official title | {having annular wings} |
| Display label | having annular wings |
| 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 |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 17 |
| 2021 | 13 |
| 2022 | 6 |
| 2023 | 12 |
| 2024 | 8 |
| 2025 | 10 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hexagonal ring wing aerial vehicle
US-2023303248-A1 · Sep 28, 2023 · US
Vertical take off and landing closed wing aircraft
US-11679877-B2 · Jun 20, 2023 · US
Tilted propellers for enhanced distributed propulsion control authority
US-11649043-B2 · May 16, 2023 · US
Hexagonal ring wing aerial vehicle
US-11649053-B2 · May 16, 2023 · US
Reconfigurable propulsion mechanisms of a multirotor aerial vehicle
US-11643219-B1 · May 9, 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
Aerial vehicle airframe design and manufacturing
US-11597489-B2 · Mar 7, 2023 · US
Adjustable motor fairings for aerial vehicles
US-2022371740-A1 · Nov 24, 2022 · US
Adjustable motor fairings for aerial vehicles
US-11440671-B2 · Sep 13, 2022 · US
Sensor-less motor reversal apparatus
US-11394335-B1 · Jul 19, 2022 · US
Hexagonal ring wing aerial vehicle
US-2022097844-A1 · Mar 31, 2022 · US
Tilting closed-wing aircraft
US-11279478-B2 · Mar 22, 2022 · US
Six degree of freedom aerial vehicle having reconfigurable propellers
US-11249477-B2 · Feb 15, 2022 · US
Aerial vehicle airframe design and manufacturing
US-2021387711-A1 · Dec 16, 2021 · US
Tilted propellers for enhanced distributed propulsion control authority
US-2021380230-A1 · Dec 9, 2021 · US
Distributed Propulsion System for Vertical Take Off and Landing Closed Wing Aircraft
US-2021371103-A1 · Dec 2, 2021 · US
Aerial vehicle propellers having variable force-torque ratios
US-11163302-B2 · Nov 2, 2021 · US
Six degree of freedom aerial vehicle having reconfigurable motors
US-11136119-B2 · Oct 5, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C39/062?
- CPC B64C39/062 is the Cooperative Patent Classification code for “having annular wings.”
- How many patents are filed under CPC B64C39/062 (having annular wings)?
- Our database includes 82 publications tagged with this CPC code.
- Is patent activity under CPC B64C39/062 growing?
- Publication counts under this code: 8 in 2024 vs 10 in 2025 (latest complete years).