Hover-capable flapping-wing aircraft
US-11479355-B2 · Oct 25, 2022 · US
Operations & Transport
Operations & Transport · 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 | B64C33/02 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 80 |
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 | 7 |
| 2016 | 7 |
| 2017 | 7 |
| 2018 | 12 |
| 2019 | 10 |
| 2020 | 5 |
| 2021 | 11 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 5 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wing for use in a flapping wing aircraft
US-2021339856-A1 · Nov 4, 2021 · US
Gear for a flapping wing aircraft
US-2021341042-A1 · Nov 4, 2021 · US
Wing flapping apparatus
US-11136117-B2 · Oct 5, 2021 · US
Apparatus and method for unmanned flight
US-11117663-B2 · Sep 14, 2021 · US
Wing flapping apparatus
US-11077941-B2 · Aug 3, 2021 · US
Flight test system for flapping-wing aerial vehicle
US-10994866-B1 · May 4, 2021 · US
Rotorcraft engine inlet configuration to optimize performance in both hover and high speed flight
US-2021070462-A1 · Mar 11, 2021 · US
Untethered flying micro-robots
US-2021070439-A1 · Mar 11, 2021 · US
Unmanned aerial vehicle having plurality of servomotors to control wing parts
US-10933993-B2 · Mar 2, 2021 · US
Air vehicle flight mechanism and control method
US-10919623-B2 · Feb 16, 2021 · US
Rotorcraft engine inlet configuration to optimize performance in both hover and high speed flight
US-10889384-B2 · Jan 12, 2021 · US
Air vehicle flight mechanism and control method for non-sinusoidal wing flapping
US-10850837-B2 · Dec 1, 2020 · US
Biomimetic insect
US-10807713-B2 · Oct 20, 2020 · US
Hover-Capable Flapping-Wing Aircraft
US-2020324892-A1 · Oct 15, 2020 · US
Method of automatic agricultural pollination based on micro air vehicle
US-2020281138-A1 · Sep 10, 2020 · US
Motorized device with reciprocating motion of a locomotion member and associated control method
US-10633089-B2 · Apr 28, 2020 · US
Wing unit, wing flapping apparatus, and method of manufacturing wing unit
US-2019263517-A1 · Aug 29, 2019 · US
Apparatus and method for unmanned flight
US-2019210725-A1 · Jul 11, 2019 · US
Air vehicle flight mechanism and control method
US-2019202553-A1 · Jul 4, 2019 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C33/02?
- CPC B64C33/02 is the Cooperative Patent Classification code for “Operations & Transport.”
- How many patents are filed under CPC B64C33/02 (Operations & Transport)?
- Our database includes 80 publications tagged with this CPC code.
- Is patent activity under CPC B64C33/02 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).