B64C 27/68
Using electrical energy
Official title: using electrical energy, e.g. having electrical power amplification
B64C27/68 (Using electrical energy) appears on 123 US grants and 117 published applications in this corpus.
Search patents in B64C- Granted patents
- 123
- Published applications
- 117
- Assignees
- 53
- Inventors
- 230
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 4 |
| 2010 | 4 | 4 |
| 2011 | 3 | 3 |
| 2012 | 2 | 1 |
| 2013 | 2 | 3 |
| 2014 | 4 | 3 |
| 2015 | 4 | 2 |
| 2016 | 5 | 6 |
| 2017 | 3 | 6 |
| 2018 | 1 | 8 |
| 2019 | 10 | 11 |
| 2020 | 13 | 17 |
| 2021 | 14 | 16 |
| 2022 | 7 | 7 |
| 2023 | 17 | 5 |
| 2024 | 12 | 7 |
| 2025 | 9 | 4 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for improved rotor assembly for use with a stator11 Aug 2026US 12,703,484 B2MagLev Aero Inc.
- Aircraft flight compensator9 Jun 2026US 12,649,567 B2Safran Electronics & Defense
- System for transmitting commands to a hydraulic servo actuator13 Jan 2026US 12,522,348 B2Safran Electronics & Defense
- Thrust generator for rotorcraft16 Dec 2025US 12,497,187 B2Honda Motor Co., Ltd.
- Flight compensator control system for aircraft with haptic feedback4 Nov 2025US 12,459,636 B2Safran Electronics & Defense
- Flying object1 Oct 2026US 2026/0296641 A1Honda Motor Co., Ltd.
- Anti-Backlash Flight Control Actuator System23 Jul 2026US 2026/0208858 A1Archer Aviation Inc.
- Electrical flight control system for controlling an aircraft and associated aircraft18 Jun 2026US 2026/0167323 A1Airbus Helicopters
- System for transmitting commands to a plurality of hydraulic servo-actuators23 Apr 2026US 2026/0109453 A1
- Systems and methods for vertical takeoff and landing vehicle with ultra-reliable low latency communications wireless flight control26 Mar 2026US 2026/0084804 A1MagLev Aero Inc.
Most cited
By later US patents
- Electric powered rotary-wing aircraft60US 8,931,732 B2Sikorsky Aircraft Corporation · 2015
- Strapdown multifunction servoactuator apparatus for aircraft42US 4,345,195 ASperry Corporation · 1982
- Piezoelectric actuator41US 5,626,312 AMcDonnell Douglas Corporation · 1997
- Rotor hub mounted actuator for controlling a blade on a rotorcraft35US 6,354,536 B1Sikorsky Aircraft Corporation · 2002
- Helicopter hover stability and cruise gust effect alleviation33US 4,213,584 AUnited Technologies Corporation · 1980