B64C 23/069
Using one or more wing tip airfoil devices
Official title: {using one or more wing tip airfoil devices, e.g. winglets, splines, wing tip fences or raked wingtips}
B64C23/069 (Using one or more wing tip airfoil devices) appears on 399 US grants and 427 published applications in this corpus.
Search patents in B64C- Granted patents
- 399
- Published applications
- 427
- Assignees
- 118
- Inventors
- 574
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 6 | 4 |
| 2003 | 2 | 1 |
| 2004 | 2 | 6 |
| 2005 | 1 | 3 |
| 2006 | 2 | 3 |
| 2007 | 3 | 5 |
| 2008 | 1 | 5 |
| 2009 | 3 | 11 |
| 2010 | 4 | 8 |
| 2011 | 11 | 11 |
| 2012 | 7 | 13 |
| 2013 | 10 | 11 |
| 2014 | 12 | 11 |
| 2015 | 17 | 21 |
| 2016 | 19 | 40 |
| 2017 | 14 | 35 |
| 2018 | 25 | 25 |
| 2019 | 27 | 33 |
| 2020 | 38 | 42 |
| 2021 | 24 | 14 |
| 2022 | 35 | 28 |
| 2023 | 22 | 27 |
| 2024 | 27 | 25 |
| 2025 | 29 | 20 |
| 2026 | 15 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tandem split divergent winglet22 Sep 2026US 12,741,738 B2Textron Aviation Inc.
- Fairing for folding wing tip16 Jun 2026US 12,654,838 B2Airbus Operations GmbH
- Flying wing vertical take-off and landing aircraft26 May 2026US 12,637,210 B2Archer Aviation Inc.
- Aircraft attitude controller and wing system19 May 2026US 12,632,056 B2Airbus Operations GmbH
- Winglet systems and methods for aircraft14 Apr 2026US 12,600,465 B2The Boeing Company
- Flying wing vertical take-off and landing aircraft10 Sep 2026US 2026/0264853 A1Archer Aviation Inc.
- High lift arrangement for an aircraft wing20 Aug 2026US 2026/0242051 A1Airbus Operations GmbH
- High lift arrangement for an aircraft wing20 Aug 2026US 2026/0242052 A1Airbus Operations GmbH
- Winglet Control Surfaces and Methods for Use Therewith20 Aug 2026US 2026/0242056 A1REGENT Craft Inc.
- Airflow interrupting devices6 Aug 2026US 2026/0225710 A1Tamarack Aerospace Group, Inc.
Most cited
By later US patents
- Blended winglet123US 5,348,253 A1994
- System for increasing airplane fuel mileage and airplane wing modification kit121US 5,407,153 AValsan Partners · 1995
- Auxiliary wing tips for an aircraft112US 4,722,499 AMesserschmitt-Boelkow-Blohm Gesellschaft mit beschraenkter Haftung · 1988
- Tip vortex generation technology for creating a lift enhancing and drag reducing upwash effect111US 5,634,613 A1997
- Mobius-like joining structure for fluid dynamic foils111US 6,474,604 B12002