B64C 2027/8218
Wherein the rotor or the jet axis is inclined with respect to
Official title: {wherein the rotor or the jet axis is inclined with respect to the longitudinal horizontal or vertical plane of the helicopter}
B64C2027/8218 (Wherein the rotor or the jet axis is inclined with respect to) appears on 29 US grants and 29 published applications in this corpus.
Search patents in B64C- Granted patents
- 29
- Published applications
- 29
- Assignees
- 17
- Inventors
- 51
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 2 |
| 2014 | 2 | 1 |
| 2015 | 2 | 1 |
| 2016 | 2 | 2 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 3 | 1 |
| 2020 | 0 | 4 |
| 2021 | 3 | 1 |
| 2022 | 1 | 3 |
| 2023 | 5 | 3 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotorcraft with powerplant exhaust sound attenuation25 Aug 2026US 12,715,576 B2Pratt & Whitney Canada Corp.
- Rotorcraft with a tail boom having a duct-type portion7 Apr 2026US 12,595,050 B2Airbus Helicopters Deutschland GmbH
- Electric tiltrotor aircraft27 Jan 2026US 12,534,197 B2Textron Innovations Inc.
- Electric tiltrotor aircraft4 Mar 2025US 12,240,600 B2Textron Innovations Inc.
- Anti-torque rotor for a helicopter27 Aug 2024US 12,071,230 B2Leonardo S.P.A.
- Compound helicopter with lateral booms17 Sep 2026US 2026/0274404 A1Airbus Helicopters Deutschland GmbH
- Pivoting aircraft rotor assemblies17 Sep 2026US 2026/0274406 A1Textron Systems Corporation
- Vertical take-off and landing aircraft and propulsion assembly20 Aug 2026US 2026/0242058 A1Burl Aerospace Pty Ltd
- Rotorcraft with powerplant exhaust sound attenuation24 Jul 2025US 2025/0236386 A1Pratt & Whitney Canada Corp.
- Electric tiltrotor aircraft29 May 2025US 2025/0171139 A1Textron Innovations Inc.
Most cited
By later US patents
- Helicopter flight control and transmission system37US 4,531,692 A1985
- Rotor and aircraft passively stable in hover33US 7,204,453 B2Proxflyer AS · 2007
- Anti-torque device with longitudinal thrust for a rotorcraft19US 8,979,015 B2Airbus Helicopters · 2015
- Torque compensation for a helicopter13US 9,452,832 B2Siemens Aktiengesellschaft · 2016
- Tail rotor assembly for helicopters12US 5,269,654 A1993