B64C 1/24
Steps mounted on, and retractable within, fuselages
B64C1/24 (Steps mounted on, and retractable within, fuselages) appears on 68 US grants and 71 published applications in this corpus.
Search patents in B64C- Granted patents
- 68
- Published applications
- 71
- Assignees
- 39
- Inventors
- 151
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 5 |
| 2009 | 1 | 1 |
| 2010 | 3 | 3 |
| 2011 | 3 | 2 |
| 2012 | 4 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 2 |
| 2015 | 2 | 6 |
| 2016 | 2 | 3 |
| 2017 | 1 | 7 |
| 2018 | 7 | 4 |
| 2019 | 3 | 6 |
| 2020 | 6 | 9 |
| 2021 | 5 | 1 |
| 2022 | 4 | 4 |
| 2023 | 4 | 8 |
| 2024 | 3 | 2 |
| 2025 | 3 | 1 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stowable entry handle25 Aug 2026US 12,715,583 B2Textron Innovations Inc.
- Folding step system23 Jun 2026US 12,662,233 B2Textron Innovations Inc.
- VTOL aircraft for network system14 Apr 2026US 12,600,456 B2Joby Aero, Inc.
- Aircraft stair system using bumper arrangement11 Nov 2025US 12,466,536 B2Textron Innovations Inc.
- Bifold stair system for aircraft24 Jun 2025US 12,337,948 B2Textron Innovations Inc.
- VTOL Aircraft for Network System23 Jul 2026US 2026/0208847 A1Joby Aero, Inc.
- Boarding ladder systems for aircraft5 Mar 2026US 2026/0062111 A1The Boeing Company
- Aircraft Stair System Using Bumper Arrangement12 Feb 2026US 2026/0042528 A1Textron Aviation Inc.
- Modular and portable accessibility lift system for aircraft and other vehicles22 Jan 2026US 2026/0021890 A1
- Methods, systems, and devices for a door for a vehicle15 Jan 2026US 2026/0015077 A1Supernal, LLC
Most cited
By later US patents
- Retractable aircraft step93US 4,440,364 A1984
- Door activated airborne stair structure42US 4,014,486 AThe Boeing Company · 1977
- Aircraft sliding door system38US 6,189,833 B1Sikorsky Aircraft Corporation · 2001
- Step operated locking mechanism for aircraft lower door35US 4,453,684 AOmac, Inc. · 1984
- Aircraft and method of retrieving a rescue cradle into the aircraft fuselage31US 8,292,229 B2Agusta S.p.A. · 2012