Acoustic noise suppressing ducted fan propulsor mounting arrangement and treatments
US-12195167-B2 · Jan 14, 2025 · US
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Ornithopters
Ornithopters · 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 | B64C33/00 |
| Official title | Ornithopters |
| Display label | Ornithopters |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 5 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gear for a flapping wing aircraft
US-11873883-B2 · Jan 16, 2024 · US
Acoustic noise suppressing ducted fan propulsor mounting arrangement and treatments
US-2023406483-A1 · Dec 21, 2023 · US
Acoustic noise suppressing ducted fan propulsor mounting arrangement and treatments
US-11767097-B2 · Sep 26, 2023 · US
Autonomous catapult-assisted take-off, recycling, and reuse device and method of flapping-wing unmanned aerial vehicle (UAV)
US-11685547-B2 · Jun 27, 2023 · US
Flapping-wing aerial robot formation control method
US-2023083210-A1 · Mar 16, 2023 · US
Flapping-wing aerial robot formation control method
US-11592842-B1 · Feb 28, 2023 · US
Autonomous catapult-assisted take-off, recycling, and reuse device and method of flapping-wing unmanned aerial vehicle (uav)
US-2022194625-A1 · Jun 23, 2022 · US
Gear for a flapping wing aircraft
US-2021341042-A1 · Nov 4, 2021 · US
Flight test system for flapping-wing aerial vehicle
US-10994866-B1 · May 4, 2021 · US
Acoustic noise suppressing ducted fan propulsor mounting arrangement and treatments
US-2021107623-A1 · Apr 15, 2021 · US
Electrical and mechanical connections through firewall
US-10519869-B2 · Dec 31, 2019 · US
Unoccupied flying vehicle (UFV) location assurance
US-10429514-B2 · Oct 1, 2019 · US
Unoccupied flying vehicle (ufv) location assurance
US-2018081065-A1 · Mar 22, 2018 · US
Unoccupied flying vehicle (UFV) location assurance
US-9810789-B2 · Nov 7, 2017 · US
Aerial agricultural management system
US-9776717-B2 · Oct 3, 2017 · US
Aerial Agricultural Management System
US-2017096222-A1 · Apr 6, 2017 · US
Flexible antenna integrated with an array of solar cells
US-2017033247-A1 · Feb 2, 2017 · US
Passive torque balancing in a high-frequency oscillating system
US-9038942-B2 · May 26, 2015 · US