B64C 11/44
Electric
Official title: electric
B64C11/44 (Electric) appears on 119 US grants and 132 published applications in this corpus.
Search patents in B64C- Granted patents
- 119
- Published applications
- 132
- Assignees
- 73
- Inventors
- 252
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 3 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 2 |
| 2012 | 3 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 3 |
| 2016 | 0 | 6 |
| 2017 | 3 | 6 |
| 2018 | 4 | 6 |
| 2019 | 6 | 10 |
| 2020 | 10 | 15 |
| 2021 | 6 | 18 |
| 2022 | 11 | 13 |
| 2023 | 16 | 7 |
| 2024 | 13 | 14 |
| 2025 | 15 | 12 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for assisting with regulation of propellers of aeronautical turbomachinery31 Mar 2026US 12,589,859 B2Safran Aircraft Engines
- Compact blade pitch mechanism and aircraft using same27 Jan 2026US 12,535,010 B2Joby Aero, Inc.
- Protection system13 Jan 2026US 12,522,346 B2Ratier-Figeac SAS
- Direct thrust control method for aircraft thruster30 Dec 2025US 12,509,217 B2Pipistrel d.o.o.
- Propeller assembly and pitch control unit2 Dec 2025US 12,486,811 B2Ge Aviation Czech S.R.O.
- Peak Efficiency Propeller Control8 Oct 2026US 2026/0307781 A1Pipistrel d.o.o.
- Anti-Backlash Flight Control Actuator System23 Jul 2026US 2026/0208858 A1Archer Aviation Inc.
- System And Method For Controlling A VTOL Aircraft Using Differing Blade Angle of Attack Regimes With Different Lift Coefficient Curves25 Jun 2026US 2026/0175973 A1
- System and methods for implementing regional air transit network using hybrid-electric aircraft16 Apr 2026US 2026/0104259 A1Zunum Aero, Inc.
- 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
- Electromechanical apparatus for varying blade of variable-pitch fan blades83US 5,281,094 AAlliedSignal Inc. · 1994
- Shape memory alloy device and control method70US 6,499,952 B1The Boeing Company · 2002
- Aircraft engine unducted fan blade pitch control system63US 4,927,329 AGeneral Electric Company · 1990
- Control system for blades for a variable pitch propeller63US 6,077,040 AUnited Technologies Corporation · 2000
- Propeller pitch control system and apparatus55US 4,591,313 AThe Boeing Company · 1986