B64C 27/59
Mechanical
Official title: mechanical
B64C27/59 (Mechanical) appears on 615 US grants and 548 published applications in this corpus.
Search patents in B64C- Granted patents
- 615
- Published applications
- 548
- Assignees
- 182
- Inventors
- 915
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 1 | 0 |
| 2000 | 11 | 0 |
| 2001 | 12 | 2 |
| 2002 | 11 | 8 |
| 2003 | 9 | 5 |
| 2004 | 5 | 4 |
| 2005 | 3 | 9 |
| 2006 | 5 | 8 |
| 2007 | 5 | 12 |
| 2008 | 3 | 16 |
| 2009 | 9 | 14 |
| 2010 | 13 | 13 |
| 2011 | 11 | 10 |
| 2012 | 14 | 21 |
| 2013 | 10 | 27 |
| 2014 | 26 | 32 |
| 2015 | 47 | 34 |
| 2016 | 33 | 32 |
| 2017 | 29 | 35 |
| 2018 | 26 | 46 |
| 2019 | 47 | 48 |
| 2020 | 53 | 26 |
| 2021 | 32 | 31 |
| 2022 | 29 | 34 |
| 2023 | 41 | 31 |
| 2024 | 25 | 24 |
| 2025 | 32 | 8 |
| 2026 | 12 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Helicopter rotor head structure15 Sep 2026US 12,735,178 B2Tibet Chuangbo General Aviation Technology Co., Ltd.
- Air vehicle8 Sep 2026US 12,728,990 B2Tusas- Turk Havacilik Ve Uzay Sanayii Anonim Sirketi
- Blade pitch detection for an aerial vehicle26 May 2026US 12,637,209 B2Unmanned Aerospace LLC
- Blade pitch coupled to propulsion system tilt26 May 2026US 12,637,212 B2Wisk Aero LLC
- Tail rotor bearing condition monitoring21 Apr 2026US 12,606,299 B2Microtecnica S.R.L.
- Flying object1 Oct 2026US 2026/0296641 A1Honda Motor Co., Ltd.
- Vertical take-off and landing aircraft3 Sep 2026US 2026/0257806 A1
- Swashplateless helicopter and control method thereof27 Aug 2026US 2026/0249987 A1Guangzhou Walkera Technology Co., Ltd
- A swash plate27 Aug 2026US 2026/0249988 A1BAE SYSTEMS plc
- A hybrid air vehicle6 Aug 2026US 2026/0225740 A1BAE SYSTEMS plc
Most cited
By later US patents
- High-efficiency, large stroke electromechanical actuator1,075US 5,907,211 AMassachusetts Institute of Technology · 1999
- Vertical takeoff and landing aircraft110US 5,839,691 A1998
- Rotor for a dual mode aircraft86US 8,376,264 B12013
- Tangential link swashplate centering member60US 4,688,993 AUnited Technologies Corporation · 1987
- Coaxial transmission/center hub subassembly for a rotor assembly having ducted, coaxial counter-rotating rotors60US 5,351,913 AUnited Technologies Corporation · 1994