Flying wing vertical take-off and landing aircraft
US-2018281942-A1 · Oct 4, 2018 · US
Foldable or collapsible rotors or rotor supports
Foldable or collapsible rotors or rotor supports · 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 | B64U30/293 |
| Official title | Foldable or collapsible rotors or rotor supports |
| Display label | Foldable or collapsible rotors or rotor supports |
| Total patents | 415 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 27 |
| 2017 | 18 |
| 2018 | 47 |
| 2019 | 48 |
| 2020 | 70 |
| 2021 | 38 |
| 2022 | 39 |
| 2023 | 41 |
| 2024 | 28 |
| 2025 | 41 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Distributed propulsion system for vertical take off and landing closed wing aircraft
US-2018244376-A1 · Aug 30, 2018 · US
Forward folding rotor blades
US-2018186445-A1 · Jul 5, 2018 · US
Tube launched hybrid multirotor methods and apparatus for system
US-2018170510-A1 · Jun 21, 2018 · US
Flight device
US-2018044003-A1 · Feb 15, 2018 · US
Unmanned vehicle
US-2017313418-A1 · Nov 2, 2017 · US
Data Logging in Aerial Platform
US-2017309088-A1 · Oct 26, 2017 · US
Foldable aircraft with protective cage for transportation and transportability
US-2017291697-A1 · Oct 12, 2017 · US
Wind-Powered Recharging for a Weight-Shifting Coaxial Helicopter
US-2017284371-A1 · Oct 5, 2017 · US
Weight-shifting coaxial helicopter
US-2017283042-A1 · Oct 5, 2017 · US
Aerial vehicle with different propeller blade configurations
US-2017274993-A1 · Sep 28, 2017 · US
Drone provided with foldable drone supports
US-2017247106-A1 · Aug 31, 2017 · US
Uav having barometric sensor and method of isolating disposing barometric sensor within uav
US-2017233073-A1 · Aug 17, 2017 · US
Uav with transformable arms
US-2017217571-A1 · Aug 3, 2017 · US
Adjustable unmanned aerial vehicles
US-9676477-B1 · Jun 13, 2017 · US
Aerial vehicle with frame assemblies
US-2017144741-A1 · May 25, 2017 · US
Elevon control system
US-2017144749-A1 · May 25, 2017 · US
Unmanned aerial vehicle and operations thereof
US-2017121016-A1 · May 4, 2017 · US
Aerial vehicle with frame assemblies
US-2017096210-A1 · Apr 6, 2017 · US
Collapsible lift propellers
US-9573674-B1 · Feb 21, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64U30/293?
- CPC B64U30/293 is the Cooperative Patent Classification code for “Foldable or collapsible rotors or rotor supports.”
- How many patents are filed under CPC B64U30/293 (Foldable or collapsible rotors or rotor supports)?
- Our database includes 415 publications tagged with this CPC code.
- Is patent activity under CPC B64U30/293 growing?
- Publication counts under this code: 28 in 2024 vs 41 in 2025 (latest complete years).