B64C 2027/8263
Comprising in addition rudders, tails, fins, or the like
Official title: {comprising in addition rudders, tails, fins, or the like}
B64C2027/8263 (Comprising in addition rudders, tails, fins, or the like) appears on 221 US grants and 241 published applications in this corpus.
Search patents in B64C- Granted patents
- 221
- Published applications
- 241
- Assignees
- 59
- Inventors
- 382
- 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 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 4 |
| 2010 | 0 | 5 |
| 2011 | 2 | 2 |
| 2012 | 5 | 14 |
| 2013 | 6 | 5 |
| 2014 | 10 | 8 |
| 2015 | 11 | 8 |
| 2016 | 9 | 8 |
| 2017 | 8 | 49 |
| 2018 | 7 | 12 |
| 2019 | 18 | 16 |
| 2020 | 19 | 26 |
| 2021 | 12 | 17 |
| 2022 | 23 | 19 |
| 2023 | 31 | 20 |
| 2024 | 14 | 9 |
| 2025 | 9 | 3 |
| 2026 | 7 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Manned and unmanned aircraft3 Mar 2026US 12,565,341 B2Dronexus Aero LLC
- Rotary wing vehicle10 Feb 2026US 12,545,444 B2
- Helicopter3 Feb 2026US 12,539,961 B2Subaru Corporation
- 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
- Hybrid propulsion helicopter including main coaxial counter-rotating rotors and auxiliary tail rotors17 Sep 2026US 2026/0274462 A1
- 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
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
- Compound aircraft control system and method61US 7,438,259 B1Piasecki Aircraft Corporation · 2008
- Compensation apparatus for main rotor torque44US 6,053,452 AAdvanced Technology Institute of Commuter-Helicopter, Ltd. · 2000
- Electrically controlled elevator38US 4,304,375 ATextron Inc. · 1981