Aircraft with ducted fan and movable louvers over the ducted fan
US-11873084-B2 · Jan 16, 2024 · US
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about a longitudinal axis
about a longitudinal axis · 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 | B64C39/008 |
| Official title | {about a longitudinal axis} |
| Display label | about a longitudinal axis |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 3 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dual tiltwing aircraft having a quadrilateral linkage
US-11142310-B2 · Oct 12, 2021 · US
Airplane with configuration changing in flight
US-11084567-B2 · Aug 10, 2021 · US
Combination flight and ground apparatus for a vehicle
US-11046416-B2 · Jun 29, 2021 · US
Aircraft
US-2020354052-A1 · Nov 12, 2020 · US
Dual Tiltwing Aircraft having a Quadrilateral Linkage
US-2020307781-A1 · Oct 1, 2020 · US
Flight vehicle wing positioning system
US-10683079-B2 · Jun 16, 2020 · US
Dual tiltwing aircraft having a quadrilateral linkage
US-10597152-B2 · Mar 24, 2020 · US
Combination flight and ground apparatus for a vehicle
US-2020039629-A1 · Feb 6, 2020 · US
Airplane with configuration changing in flight
US-2019168858-A1 · Jun 6, 2019 · US
Rotorcraft variable thrust cross-flow fan systems
US-10279900-B2 · May 7, 2019 · US
Dual Tiltwing Aircraft having a Quadrilateral Linkage
US-2019031333-A1 · Jan 31, 2019 · US
Tilting ducted fan aircraft generating a pitch control moment
US-10106253-B2 · Oct 23, 2018 · US
Tilting Ducted Fan Aircraft Generating a Pitch Control Moment
US-2018057157-A1 · Mar 1, 2018 · US
Rotorcraft Variable Thrust Cross-flow Fan Systems
US-2018044009-A1 · Feb 15, 2018 · US