B64C 27/22
Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane
Official title: Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft
B64C27/22 (Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane) appears on 869 US grants and 916 published applications in this corpus.
Search patents in B64C- Granted patents
- 869
- Published applications
- 916
- Assignees
- 234
- Inventors
- 1,252
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 0 |
| 2002 | 7 | 4 |
| 2003 | 7 | 5 |
| 2004 | 4 | 7 |
| 2005 | 6 | 8 |
| 2006 | 10 | 13 |
| 2007 | 5 | 7 |
| 2008 | 4 | 8 |
| 2009 | 8 | 15 |
| 2010 | 6 | 26 |
| 2011 | 14 | 10 |
| 2012 | 13 | 21 |
| 2013 | 17 | 19 |
| 2014 | 17 | 26 |
| 2015 | 36 | 21 |
| 2016 | 20 | 29 |
| 2017 | 27 | 60 |
| 2018 | 47 | 60 |
| 2019 | 55 | 98 |
| 2020 | 82 | 96 |
| 2021 | 81 | 86 |
| 2022 | 82 | 85 |
| 2023 | 88 | 69 |
| 2024 | 79 | 64 |
| 2025 | 68 | 43 |
| 2026 | 37 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Helicopter15 Sep 2026US 12,735,177 B2Tusas- Turk Havacilik Ve Uzay Sanayii Anonim Sirketi
- External cargo adapter for use with a rotorcraft1 Sep 2026US 12,722,780 B2Airbus Helicopters Deutschland GmbH
- Baggage access in vehicle and methods thereof25 Aug 2026US 12,715,569 B2Supernal, LLC
- Battery and engine architecture for VTOL aircraft25 Aug 2026US 12,715,578 B2Archer Aviation Inc.
- Rotor position control system11 Aug 2026US 12,703,481 B2Textron Innovations Inc.
- System and method of rotor management8 Oct 2026US 2026/0307786 A1Beta Air, LLC
- Drag Reducing Spinner for High Speed Stop Fold Rotor24 Sep 2026US 2026/0285481 A1Textron Innovations Inc.
- Compound helicopter with lateral booms17 Sep 2026US 2026/0274404 A1Airbus Helicopters Deutschland GmbH
- Blade pitch coupled to propulsion system tilt3 Sep 2026US 2026/0257793 A1Wisk Aero LLC
- Aircraft and aircraft control method27 Aug 2026US 2026/0249986 A1Aeronext Inc.
Most cited
By later US patents
- Hybrid aircraft245US 5,823,468 A1998
- Personal hoverplane with four tiltmotors216US 6,655,631 B22003
- Vertical take-off and landing aircraft165US 9,120,560 B1Latitude Engineering, LLC · 2015
- Unlocking mobile-device and/or unmanned aerial vehicle capability in an emergency situation145US 8,983,682 B1Google Inc. · 2015
- Aircraft with wings and movable propellers140US 9,187,174 B22015