B64C 11/20
Constructional features
B64C11/20 (Constructional features) appears on 705 US grants and 703 published applications in this corpus.
Search patents in B64C- Granted patents
- 705
- Published applications
- 703
- Assignees
- 224
- Inventors
- 1,100
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 11 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 4 |
| 2003 | 5 | 3 |
| 2004 | 1 | 3 |
| 2005 | 1 | 4 |
| 2006 | 1 | 2 |
| 2007 | 3 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 4 |
| 2010 | 2 | 7 |
| 2011 | 3 | 7 |
| 2012 | 5 | 8 |
| 2013 | 6 | 28 |
| 2014 | 11 | 13 |
| 2015 | 14 | 25 |
| 2016 | 22 | 34 |
| 2017 | 26 | 49 |
| 2018 | 39 | 73 |
| 2019 | 70 | 77 |
| 2020 | 87 | 69 |
| 2021 | 53 | 65 |
| 2022 | 63 | 40 |
| 2023 | 58 | 49 |
| 2024 | 55 | 45 |
| 2025 | 52 | 51 |
| 2026 | 30 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Blade, flying object, and manufacturing method thereof6 Oct 2026US 12,752,909 B2Mitsui Chemicals, Inc.
- Propeller8 Sep 2026US 12,728,982 B2Analytical Mechanics Associates, Inc.
- Distributed propulsion system for vertical take off and landing closed wing aircraft8 Sep 2026US 12,728,983 B2Textron Innovations Inc.
- Aircraft with an unducted fan propulsor18 Aug 2026US 12,709,398 B2General Electric Company
- Variable-pitch vane made of composite material for an unducted fan of an aircraft30 Jun 2026US 12,668,353 B2Safran Aircraft Engines
- Propeller and method for safely releasing a ruptured blade8 Oct 2026US 2026/0307779 A1Airbus Operations S.L.U.
- Systems and Methods for Manufacturing Composite Laminate Structures8 Oct 2026US 2026/0307787 A1
- Aerial vehicle with deployable components17 Sep 2026US 2026/0274396 A1Anduril Industries, Inc.
- Rotor hub for propeller-driven aircraft, and assembly comprising such a rotor hub10 Sep 2026US 2026/0264841 A1Maxon International AG
- Automated Variable Pitch Propeller Blade10 Sep 2026US 2026/0264842 A1Skydio, Inc.
Most cited
By later US patents
- Aerodynamically efficient lightweight vertical take-off and landing aircraft with pivoting rotors and stowing rotor blades170US 9,694,911 B2Joby Aviation, Inc. · 2017
- Deployable folded propeller assembly for aerial projectiles115US 6,308,632 B12001
- Nanocomposite layered airfoil114US 6,341,747 B12002
- Aircraft with selectively attachable passenger pod assembly112US 9,963,228 B2Bell Helicopter Textron Inc. · 2018
- Composite blade manufacture107US 5,222,297 AUnited Technologies Corporation · 1993