B64C 11/18
Aerodynamic features
B64C11/18 (Aerodynamic features) appears on 226 US grants and 256 published applications in this corpus.
Search patents in B64C- Granted patents
- 226
- Published applications
- 256
- Assignees
- 109
- Inventors
- 403
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 4 |
| 2005 | 2 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 2 |
| 2008 | 1 | 3 |
| 2009 | 1 | 3 |
| 2010 | 0 | 3 |
| 2011 | 0 | 4 |
| 2012 | 4 | 5 |
| 2013 | 1 | 7 |
| 2014 | 1 | 6 |
| 2015 | 6 | 11 |
| 2016 | 5 | 9 |
| 2017 | 9 | 26 |
| 2018 | 7 | 16 |
| 2019 | 29 | 26 |
| 2020 | 25 | 22 |
| 2021 | 11 | 14 |
| 2022 | 20 | 15 |
| 2023 | 15 | 13 |
| 2024 | 25 | 16 |
| 2025 | 12 | 18 |
| 2026 | 10 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Propulsor assembly with teeter mechanism6 Oct 2026US 12,752,908 B2Beta Air, LLC
- Propeller8 Sep 2026US 12,728,982 B2Analytical Mechanics Associates, Inc.
- Aircraft with an unducted fan propulsor18 Aug 2026US 12,709,398 B2General Electric Company
- Aircraft with transonic rotor21 Jul 2026US 12,686,492 B2Karem Aircraft, Inc.
- Reduced noise rotor for aerial vehicles9 Jun 2026US 12,649,591 B2Zipline International Inc.
- Variable-pitch vane for an unducted aeronautical thruster1 Oct 2026US 2026/0298260 A1Safran Aircraft Engines
- Aircraft with transonic rotor24 Sep 2026US 2026/0285482 A1Karem Aircraft, Inc.
- Aeronautical propulsion unit with improved acoustics17 Sep 2026US 2026/0274398 A1Safran Aircraft Engines
- Aeronautical thruster23 Jul 2026US 2026/0208853 A1Centre National de la Recherche Scientifique (CNRS)
- Propellers23 Jul 2026US 2026/0208854 A1OnwardAir, Inc.
Most cited
By later US patents
- Forward swept rotor blade138US 5,167,489 AGeneral Electric Company · 1992
- Counterrotating aircraft propulsor blades82US 4,784,575 AGeneral Electric Company · 1988
- Airfoil blade71US 4,519,746 AUnited Technologies Corporation · 1985
- Combined solar and wind powered generator with spiral surface pattern64US 5,075,564 A1991
- Unducted thrust producing system52US 10,202,865 B2General Electric Company · 2019