B64C 27/022
Devices for folding or adjusting the blades
Official title: {Devices for folding or adjusting the blades}
B64C27/022 (Devices for folding or adjusting the blades) appears on 16 US grants and 21 published applications in this corpus.
Search patents in B64C- Granted patents
- 16
- Published applications
- 21
- Assignees
- 17
- Inventors
- 33
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 3 |
| 2020 | 2 | 1 |
| 2021 | 3 | 1 |
| 2022 | 1 | 3 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 3 |
| 2026 | 1 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Autorotating payload delivery device9 Jun 2026US 12,649,569 B2AeroVironment, Inc.
- Method of assemblying and operating an autorotating payload delivery device7 Oct 2025US 12,434,822 B2AeroVironment, Inc.
- Single motor single actuator rotorcraft13 Dec 2022US 11,524,766 B2Textron Innovations Inc.
- System and method for vertical take-off in an autogyro11 May 2021US 11,001,374 B2The Boeing Company
- Combination automobile helicopter6 Apr 2021US 10,967,692 B1
- Gyroplane take-off rotor11 Jun 2026US 2026/0159232 A1Ela Aviacion, S.L.
- Method of assemblying and operating an autorotating payload delivery device1 Jan 2026US 2026/0001645 A1AeroVironment, Inc.
- Unmanned aerial vehicle16 Oct 2025US 2025/0319968 A1Kubota Corporation
- Autorotating payload delivery device13 Feb 2025US 2025/0051007 A1AeroVironment, Inc.
- Autorotating payload delivery device13 Feb 2025US 2025/0051008 A1AeroVironment, Inc.
Most cited
By later US patents
- Automatic mechanical control of rotor blade collective pitch16US 7,677,492 B1Cartercopters, L.L.C. · 2010
- Retractable VTOL rotor systems and methods15US 10,894,599 B1Uav Factory Sia · 2021
- Variable geometry lift fan mechanism13US 9,284,962 B2Zee.Aero Inc. · 2016
- Single motor single actuator rotorcraft11US 11,524,766 B2Textron Innovations Inc. · 2022
- Folding rotor for an autogyro device10US 7,985,048 B2The Boeing Company · 2011