E05B 35/086
Using a pair of interlocked keys, one of the keys being non-removable
Official title: {using a pair of interlocked keys, one of the keys being non-removable; key-storing devices from which only one key can be removed at a time}
E05B35/086 (Using a pair of interlocked keys, one of the keys being non-removable) appears on 33 US grants and 19 published applications in this corpus.
Search patents in E05B- Granted patents
- 33
- Published applications
- 19
- Assignees
- 17
- Inventors
- 56
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 2 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Key capture lock15 Jul 2025US 12,359,461 B2United States Postal Service
- Mechanical object tracking system8 Aug 2023US 11,719,027 B2
- Shielded electronic lock box24 Jul 2018US 10,030,418 B2SentriLock, LLC
- Vehicle activity module8 Dec 2015US 9,208,456 B2SentriLock, LLC
- Key capture lock6 Nov 2025US 2025/0341114 A1United States Postal Service
- Modular locking apparatus with an actuator operating multiple latches24 Jul 2025US 2025/0237096 A1Aristocrat Technologies, Inc.
- Mechanical object tracking system20 Oct 2022US 2022/0333415 A1
- Key capture lock15 Oct 2020US 2020/0325709 A1United States Postal Service
- Shielded electronic lock box24 Aug 2017US 2017/0241165 A1SentriLock, LLC
Most cited
By later US patents
- Post office locker100US 4,865,248 AAmerican Locker Group Incorporated · 1989
- Key control device and method therefor37US 5,372,021 AIdeaz International, Inc. · 1994
- Safety key holder36US 4,567,741 A1986
- Key retaining lock apparatus26US 6,178,792 B22001
- Vehicle activity module24US 7,949,541 B2Performance Analytics, Inc. · 2011