B64C 3/28
Leading or trailing edges attached to primary structures
Official title: Leading or trailing edges attached to primary structures, e.g. forming fixed slots
B64C3/28 (Leading or trailing edges attached to primary structures) appears on 187 US grants and 221 published applications in this corpus.
Search patents in B64C- Granted patents
- 187
- Published applications
- 221
- Assignees
- 72
- Inventors
- 453
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 4 | 2 |
| 2004 | 2 | 3 |
| 2005 | 2 | 3 |
| 2006 | 2 | 2 |
| 2007 | 0 | 4 |
| 2008 | 1 | 5 |
| 2009 | 1 | 8 |
| 2010 | 2 | 10 |
| 2011 | 8 | 6 |
| 2012 | 7 | 7 |
| 2013 | 5 | 8 |
| 2014 | 2 | 5 |
| 2015 | 7 | 11 |
| 2016 | 11 | 5 |
| 2017 | 5 | 18 |
| 2018 | 6 | 7 |
| 2019 | 10 | 20 |
| 2020 | 10 | 18 |
| 2021 | 15 | 22 |
| 2022 | 23 | 22 |
| 2023 | 14 | 11 |
| 2024 | 20 | 6 |
| 2025 | 12 | 10 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Airframe attachments8 Sep 2026US 12,728,980 B2Skydio, Inc.
- Joint assembly1 Sep 2026US 12,722,772 B2Airbus Operations GmbH
- Wing for an aircraft25 Aug 2026US 12,715,573 B2Airbus Operations GmbH
- Aircraft air inlet comprising at least a main de-icing system and at least one secondary de-icing system positioned at a splice plate28 Apr 2026US 12,612,168 B2Airbus Operations GmbH
- Wing structure and wing structure manufacturing method20 Jan 2026US 12,529,352 B2Mitsubishi Heavy Industries, Ltd.
- System and method for supporting a leading edge of a wing of an aircraft25 Jun 2026US 2026/0175963 A1The Boeing Company
- Load introduction system25 Jun 2026US 2026/0175966 A1Airbus Operations GmbH
- Enclosure device18 Jun 2026US 2026/0167318 A1Airbus Operations GmbH
- Split riblet4 Jun 2026US 2026/0152276 A1Airbus Operations GmbH
- Aerofoil structure4 Jun 2026US 2026/0152277 A1Airbus Operations GmbH
Most cited
By later US patents
- Scalloped wing leading edge68US 6,431,498 B12002
- Aircraft60US 9,096,312 B2ROLLS-ROYCE plc · 2015
- Slotted aircraft wing58US 7,048,228 B2The Boeing Company · 2006
- Replaceable tip for aircraft leading edge46US 4,667,906 AGrumman Aerospace Corporation · 1987
- Wing trailing edge air dam39US 4,712,752 AThe Boeing Company · 1987