B64D 45/0028
Doors or door arrangements specially adapted to restrict unauthorized access
Official title: {doors or door arrangements specially adapted to restrict unauthorized access}
B64D45/0028 (Doors or door arrangements specially adapted to restrict unauthorized access) appears on 89 US grants and 108 published applications in this corpus.
Search patents in B64D- Granted patents
- 89
- Published applications
- 108
- Assignees
- 24
- Inventors
- 173
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 4 | 24 |
| 2004 | 14 | 13 |
| 2005 | 12 | 10 |
| 2006 | 3 | 8 |
| 2007 | 3 | 3 |
| 2008 | 1 | 1 |
| 2009 | 5 | 1 |
| 2010 | 2 | 1 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 2 | 3 |
| 2014 | 0 | 1 |
| 2015 | 3 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 2 |
| 2018 | 3 | 2 |
| 2019 | 1 | 4 |
| 2020 | 4 | 5 |
| 2021 | 2 | 4 |
| 2022 | 6 | 3 |
| 2023 | 4 | 3 |
| 2024 | 3 | 7 |
| 2025 | 4 | 8 |
| 2026 | 6 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Translating barrier for an aircraft6 Oct 2026US 12,752,931 B2The Boeing Company
- Door assembly with an engagement mechanism18 Aug 2026US 12,709,940 B2Harper Engineering Co.
- Dual purpose lavatory barrier5 May 2026US 12,617,532 B2The Boeing Company
- Telescoping secondary barrier system24 Feb 2026US 12,559,253 B2The Boeing Company
- Barrier door for an aircraft27 Jan 2026US 12,534,179 B2The Boeing Company
- Door Assembly with an Engagement Assembly2 Oct 2025US 2025/0304235 A1Harper Engineering Co.
- Barrier Door with Hinged Lock2 Oct 2025US 2025/0305325 A1Harper Engineering Co.
- Door Assembly with an Engagement Mechanism2 Oct 2025US 2025/0305348 A1Harper Engineering Co.
- Bi-fold barrier system and method for a flight deck of an aircraft10 Jul 2025US 2025/0223053 A1The Boeing Company
- Translating Barrier for an Aircraft17 Apr 2025US 2025/0121954 A1The Boeing Company
Most cited
By later US patents
- Lightweight ballistic resistant rigid structural panel58US 6,825,137 B2Telair International GmbH · 2004
- Double door security system for aircraft and the like44US 6,696,979 B22004
- Pressure responsive blowout latch33US 6,866,226 B2Hartwell Corporation · 2005
- Pressure sensing dead bolt27US 7,255,376 B2Hartwell Corporation · 2007
- Pressure responsive blowout latch26US 7,578,475 B2Hartwell Corporation · 2009