B64C 2027/8281
Comprising horizontal tail planes
Official title: {comprising horizontal tail planes}
B64C2027/8281 (Comprising horizontal tail planes) appears on 105 US grants and 139 published applications in this corpus.
Search patents in B64C- Granted patents
- 105
- Published applications
- 139
- Assignees
- 27
- Inventors
- 212
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 3 | 5 |
| 2013 | 2 | 3 |
| 2014 | 2 | 5 |
| 2015 | 5 | 5 |
| 2016 | 6 | 4 |
| 2017 | 6 | 44 |
| 2018 | 4 | 10 |
| 2019 | 13 | 6 |
| 2020 | 15 | 15 |
| 2021 | 4 | 8 |
| 2022 | 9 | 6 |
| 2023 | 9 | 8 |
| 2024 | 7 | 5 |
| 2025 | 5 | 2 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotorcraft with a blade tip illumination system8 Sep 2026US 12,729,012 B2Airbus Helicopters Deutschland GmbH
- Rotorcraft with a tail boom and an integral stabilizer arrangement9 Jun 2026US 12,649,571 B2Airbus Helicopters Deutschland GmbH
- Rotary wing vehicle10 Feb 2026US 12,545,444 B2
- Compound helicopter6 Jan 2026US 12,515,788 B2Kawasaki Jukogyo Kabushiki Kaisha
- Helicopter, helicopter kit and associated reconfiguration method11 Nov 2025US 12,466,542 B2Leonardo S.P.A.
- Led tail rotor safety and status indication lighting system8 Oct 2026US 2026/0307785 A1Textron Innovations Inc.
- Compound helicopter with lateral booms17 Sep 2026US 2026/0274404 A1Airbus Helicopters Deutschland GmbH
- Compound helicopter with lateral booms9 Jul 2026US 2026/0192914 A1Airbus Helicopters Deutschland GmbH
- Control of Vertical Take Off and Landing Aircraft28 May 2026US 2026/0145778 A1
- Rotary-Wing Aircraft Provided with at least one Multi-Plane Pitch Stabilizer30 Apr 2026US 2026/0116526 A1Airbus Helicopters
Most cited
By later US patents
- Electrically controlled elevator38US 4,304,375 ATextron Inc. · 1981
- Fast hybrid helicopter with long range and proportional drive to the rotor and the propeller38US 8,181,901 B2Eurocopter · 2012
- Helicopter antitorque device35US 5,131,604 AUnited Technologies Corporation · 1992
- Lift fan position lock mechanism35US 9,783,288 B1Kitty Hawk Corporation · 2017
- Helicopter yaw and propulsion mechanism34US 3,957,226 AThe Boeing Company · 1976