E05B 39/02
Locks giving indication of authorised or unauthorised unlocking: with destructible seal closures
Official title: with destructible seal closures or paper closures
E05B39/02 (Locks giving indication of authorised or unauthorised unlocking: with destructible seal closures) appears on 68 US grants and 64 published applications in this corpus.
Search patents in E05B- Granted patents
- 68
- Published applications
- 64
- Assignees
- 40
- Inventors
- 110
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 1 |
| 2004 | 2 | 5 |
| 2005 | 4 | 4 |
| 2006 | 3 | 3 |
| 2007 | 3 | 5 |
| 2008 | 2 | 3 |
| 2009 | 1 | 13 |
| 2010 | 5 | 2 |
| 2011 | 6 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 3 | 1 |
| 2017 | 1 | 3 |
| 2018 | 0 | 2 |
| 2019 | 4 | 3 |
| 2020 | 1 | 3 |
| 2021 | 0 | 2 |
| 2022 | 3 | 2 |
| 2023 | 3 | 0 |
| 2024 | 0 | 2 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Cable lock with locator2 Dec 2025US 12,486,697 B2Shenzhen Wins Electronic Technology Co., Ltd.
- Bolt seal11 Mar 2025US 12,249,256 B2J. J. Keller & Associates, Inc.
- Bolt seal19 Dec 2023US 11,847,940 B2J. J. Keller & Associates, Inc.
- Tamper proof seal assembly14 Feb 2023US 11,580,885 B2Honeywell International Inc.
- Electronic bolt for cargo containers31 Jan 2023US 11,566,445 B2Falcon Lair Pty. Ltd.
- Lock and hasp20 Mar 2025US 2025/0092718 A1Illinois Tool Works Inc.
- Cable lock with locator7 Nov 2024US 2024/0368923 A1Shenzhen Wins Electronic Technology Co., Ltd.
- Bolt Seal15 Feb 2024US 2024/0054920 A1J. J. Keller & Associates, Inc.
- Bolt seal27 Oct 2022US 2022/0343803 A1J. J. Keller & Associates, Inc.
- Container locking system23 Jun 2022US 2022/0195766 A1In-Tech Enterprise Ltd.
Most cited
By later US patents
- Lock assembly for a personal computer system enclosure75US 5,548,981 AInternational Business Machines Corporation · 1996
- Tamper detection security for a tank trailer65US 7,140,211 B2Tremcar Inc. · 2006
- Bolt-type seal lock34US 7,438,334 B22008
- Lock box for sealed latch assembly31US 7,278,284 B12007
- Semitrailer cargo, door locking system29US 6,233,984 B12001