B64C 2027/8272
Comprising fins, or movable rudders
Official title: {comprising fins, or movable rudders}
B64C2027/8272 (Comprising fins, or movable rudders) appears on 127 US grants and 142 published applications in this corpus.
Search patents in B64C- Granted patents
- 127
- Published applications
- 142
- Assignees
- 45
- Inventors
- 231
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 7 |
| 2013 | 3 | 2 |
| 2014 | 4 | 3 |
| 2015 | 4 | 7 |
| 2016 | 5 | 5 |
| 2017 | 5 | 41 |
| 2018 | 6 | 7 |
| 2019 | 12 | 11 |
| 2020 | 16 | 14 |
| 2021 | 8 | 8 |
| 2022 | 8 | 10 |
| 2023 | 20 | 12 |
| 2024 | 9 | 4 |
| 2025 | 5 | 1 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotorcraft with a tail boom and an integral stabilizer arrangement9 Jun 2026US 12,649,571 B2Airbus Helicopters Deutschland GmbH
- Manned and unmanned aircraft3 Mar 2026US 12,565,341 B2Dronexus Aero LLC
- Protective shroud for aircraft tail rotor18 Nov 2025US 12,473,086 B2Textron Innovations Inc.
- Mast dampener for a rotorcraft2 Sep 2025US 12,404,018 B2Jaunt Air Mobility, LLC
- Multi-purpose prop-rotor spinner arrangement20 May 2025US 12,304,625 B2Lockheed Martin Corporation
- Compound helicopter with lateral booms17 Sep 2026US 2026/0274404 A1Airbus Helicopters Deutschland GmbH
- Wake Filling for Propeller Noise Reduction13 Aug 2026US 2026/0233829 A1Textron Aviation Inc.
- Compound helicopter with lateral booms9 Jul 2026US 2026/0192914 A1Airbus Helicopters Deutschland GmbH
- Manned and unmanned aircraft9 Jul 2026US 2026/0192948 A1Dronexus Aero LLC
- Helicopter tail boom and methods of manufacture and retrofit of same28 May 2026US 2026/0145788 A1BLR Aerospace, L.L.C.
Most cited
By later US patents
- Compound helicopter with no tail rotor83US 4,928,907 AY & B Investment Corporation · 1990
- Gyro stabilized triple mode aircraft79US 6,086,016 A2000
- Compensation apparatus for main rotor torque44US 6,053,452 AAdvanced Technology Institute of Commuter-Helicopter, Ltd. · 2000
- Rotary wing aircraft supplementary power drive system37US 6,098,921 APiasecki Aircraft Corporation · 2000
- Lift fan position lock mechanism35US 9,783,288 B1Kitty Hawk Corporation · 2017