B64C 9/28
By flaps at both the front and rear of the wing operating
Official title: by flaps at both the front and rear of the wing operating in unison
B64C9/28 (By flaps at both the front and rear of the wing operating) appears on 28 US grants and 21 published applications in this corpus.
Search patents in B64C- Granted patents
- 28
- Published applications
- 21
- Assignees
- 19
- Inventors
- 49
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 2 | 3 |
| 2017 | 4 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 3 | 1 |
| 2022 | 0 | 3 |
| 2023 | 3 | 1 |
| 2024 | 2 | 4 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Regenerative high lift magnetic clutch and brake generator for electric aircraft12 May 2026US 12,623,772 B2Hamilton Sundstrand Corporation
- Aircraft wing section assembly29 Apr 2025US 12,286,223 B2Airbus Operations GmbH
- Control surface actuation synchronization system9 Apr 2024US 11,952,107 B2Eaton Intelligent Power Limited
- Control surface actuation synchronization system26 Mar 2024US 11,939,042 B2Eaton Intelligent Power Limited
- Aircraft wing section assembly5 Dec 2023US 11,834,171 B2Airbus Operations GmbH
- Regenerative high lift magnetic clutch and brake generator for electric aircraft17 Jul 2025US 2025/0229893 A1Hamilton Sundstrand Corporation
- Aircraft wing section assembly11 Jul 2024US 2024/0228013 A9Airbus Operations GmbH
- Aircraft wing section assembly25 Apr 2024US 2024/0132199 A1Airbus Operations GmbH
- System and method for lift augmentation of aircraft wings15 Feb 2024US 2024/0051655 A1Electra Aero, Inc.
- Ducted Wing with Flaps4 Jan 2024US 2024/0002034 A1Whisper Aero Inc.
Most cited
By later US patents
- Slot forming segments and slot changing spoilers67US 6,328,265 B12001
- Extendible leading edge flap44US 5,921,506 ANorthrop Grumman Corporation · 1999
- STOL aircraft and wing slat actuating mechanism for same23US 5,711,496 A1998
- Deployment mechanisms for aircraft auxiliary airfoils22US 6,149,105 ABritish Aerospace Public Limited Company · 2000
- Segmented variable sweep wing aircraft12US 5,312,070 AGrumman Aerospace Corporation · 1994