B64C 27/10
Arranged coaxially
Official title: arranged coaxially
B64C27/10 (Arranged coaxially) appears on 288 US grants and 335 published applications in this corpus.
Search patents in B64C- Granted patents
- 288
- Published applications
- 335
- Assignees
- 70
- Inventors
- 416
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 2 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 1 | 5 |
| 2006 | 3 | 8 |
| 2007 | 6 | 4 |
| 2008 | 1 | 7 |
| 2009 | 7 | 11 |
| 2010 | 7 | 8 |
| 2011 | 6 | 4 |
| 2012 | 3 | 6 |
| 2013 | 6 | 7 |
| 2014 | 7 | 9 |
| 2015 | 8 | 17 |
| 2016 | 9 | 18 |
| 2017 | 13 | 64 |
| 2018 | 10 | 26 |
| 2019 | 30 | 21 |
| 2020 | 38 | 34 |
| 2021 | 21 | 16 |
| 2022 | 19 | 17 |
| 2023 | 21 | 23 |
| 2024 | 18 | 9 |
| 2025 | 17 | 8 |
| 2026 | 13 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Active crew seat vibration control6 Oct 2026US 12,753,823 B2Lockheed Martin Corporation
- Systems and methods for improved rotor assembly for use with a stator11 Aug 2026US 12,703,484 B2MagLev Aero Inc.
- System, assemblies and methods for mechanical-thrust power conversion multifans23 Jun 2026US 12,662,242 B2N.M.B. Medical Applications Ltd
- Coaxial rotor pair assembly with variable collective pitch rotor / propeller for flight vehicle or drone2 Jun 2026US 12,643,693 B2Toofon, Inc.
- Tunable mass damper assembly for a rotor blade26 May 2026US 12,637,206 B2Lockheed Martin Corporation
- System, assemblies and methods for mechanical-thrust power conversion multifans1 Oct 2026US 2026/0296640 A1N.M.B. Medical Applications Ltd
- 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
- Apparatus and method for fluid manipulation9 Jul 2026US 2026/0194082 A1
- Control of Vertical Take Off and Landing Aircraft28 May 2026US 2026/0145778 A1
Most cited
By later US patents
- Rotor for a dual mode aircraft86US 8,376,264 B12013
- Gyro stabilized triple mode aircraft79US 6,086,016 A2000
- Ultralight coaxial rotor aircraft73US 7,198,223 B2Airscooter Corporation · 2007
- Air jet reaction contrarotating rotor gyrodyne69US 4,589,611 A1986
- Lift generating method and apparatus for aircraft65US 5,240,204 A1993