B64C 11/343
Actuated by the centrifugal force or the aerodynamic drag acting on the
Official title: {actuated by the centrifugal force or the aerodynamic drag acting on the blades}
B64C11/343 (Actuated by the centrifugal force or the aerodynamic drag acting on the) appears on 26 US grants and 30 published applications in this corpus.
Search patents in B64C- Granted patents
- 26
- Published applications
- 30
- Assignees
- 16
- Inventors
- 40
- Latest grant
- 24 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 4 |
| 2019 | 3 | 2 |
| 2020 | 2 | 4 |
| 2021 | 4 | 3 |
| 2022 | 3 | 4 |
| 2023 | 5 | 1 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hinged rotor blade to provide passive variable pitch24 Dec 2024US 12,172,746 B2Kitty Hawk Corporation
- Rotor system for electrically powered rotorcraft30 Jul 2024US 12,049,305 B1SiFly Aviation, Inc.
- Blade dovetail and retention apparatus5 Dec 2023US 11,834,965 B2General Electric Company
- Hinged rotor blade to provide passive variable pitch28 Nov 2023US 11,827,335 B2Kitty Hawk Corporation
- Bistable pitch propeller system with bidirectional propeller rotation18 Jul 2023US 11,702,188 B2Kitty Hawk Corporation
- Swashplateless helicopter and control method thereof27 Aug 2026US 2026/0249987 A1Guangzhou Walkera Technology Co., Ltd
- Turbofan engine including a fan actuation system23 Apr 2026US 2026/0109469 A1GE Avio S. r. l.
- Turbofan engine including a fan actuation system26 Mar 2026US 2026/0085621 A1General Electric Company
- Propeller assembly18 Sep 2025US 2025/0289562 A1Ratier-Figeac SAS
- Hinged rotor blade to provide passive variable pitch22 Feb 2024US 2024/0059397 A1Kitty Hawk Corporation
Most cited
By later US patents
- Propeller with passive variable pitch and rotatable base17US 10,479,482 B1Kitty Hawk Corporation · 2019
- Propeller hub with self-adjusting pitch mechanism12US 6,158,960 A2000
- Constant torque propeller mechanism7US 8,790,081 B1Auburn University · 2014
- Hinged rotor blade to provide passive variable pitch3US 10,301,008 B1Kitty Hawk Corporation · 2019
- Pitch control system3US 11,136,110 B22021