B64D 27/30
Aircraft characterised by electric power plants
B64D27/30 (Aircraft characterised by electric power plants) appears on 2,143 US grants and 2,977 published applications in this corpus.
Search patents in B64D- Granted patents
- 2,143
- Published applications
- 2,977
- Assignees
- 442
- Inventors
- 3,436
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 1 |
| 2003 | 4 | 5 |
| 2004 | 1 | 6 |
| 2005 | 1 | 5 |
| 2006 | 3 | 3 |
| 2007 | 2 | 1 |
| 2008 | 1 | 9 |
| 2009 | 7 | 9 |
| 2010 | 3 | 14 |
| 2011 | 3 | 10 |
| 2012 | 8 | 9 |
| 2013 | 5 | 23 |
| 2014 | 14 | 25 |
| 2015 | 24 | 27 |
| 2016 | 22 | 62 |
| 2017 | 29 | 60 |
| 2018 | 49 | 126 |
| 2019 | 72 | 128 |
| 2020 | 113 | 236 |
| 2021 | 128 | 248 |
| 2022 | 214 | 382 |
| 2023 | 370 | 449 |
| 2024 | 375 | 426 |
| 2025 | 399 | 363 |
| 2026 | 278 | 350 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multicore hybrid-electric powertrain controller6 Oct 2026US 12,752,769 B2Pratt & Whitney Canada Corp.
- Ice protection system using waste heat recovery6 Oct 2026US 12,752,922 B2Eaton Intelligent Power Limited
- Power conversion system and flight vehicle6 Oct 2026US 12,752,924 B2Hitachi, Ltd.
- Energy recovery system and method for an aircraft6 Oct 2026US 12,752,925 B2Airbus Operations S.L.U.
- Energy source using atomic species6 Oct 2026US 12,753,744 B2PerriQuest Defense Research Enterprises, LLC
- Battery energy and power indicator system8 Oct 2026US 2026/0307533 A1Beta Air, LLC
- Method and device for assisting the piloting of an aircraft comprising a hybrid power plant for indicating by haptic feedback an amount of electrical energy of an electrical energy source8 Oct 2026US 2026/0307784 A1Airbus Helicopters
- System and method of rotor management8 Oct 2026US 2026/0307786 A1Beta Air, LLC
- Aircraft hybrid electric propulsion system8 Oct 2026US 2026/0307813 A1Pratt & Whitney Canada Corp.
- Wall element, especially for a safe chamber, as well as a safe chamber, an aircraft component and an aircraft equipped therewith8 Oct 2026US 2026/0307817 A1
Most cited
By later US patents
- Personal hoverplane with four tiltmotors216US 6,655,631 B22003
- Aerodynamically efficient lightweight vertical take-off and landing aircraft with pivoting rotors and stowing rotor blades170US 9,694,911 B2Joby Aviation, Inc. · 2017
- Vertical take-off and landing aircraft149US 6,293,491 B12001
- Method and system for supporting an airborne vehicle in space129US 5,074,489 A1991
- Purebred and hybrid electric VTOL tilt rotor aircraft116US 8,469,306 B22013