E05B 39/00
Locks giving indication of authorised or unauthorised unlocking
Official title: Locks giving indication of {authorised} or unauthorised unlocking {(with key identification means E05B35/001; alarm locks E05B45/00)}
E05B39/00 (Locks giving indication of authorised or unauthorised unlocking) appears on 434 US grants and 458 published applications in this corpus.
Search patents in E05B- Granted patents
- 434
- Published applications
- 458
- Assignees
- 252
- Inventors
- 839
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 7 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 0 |
| 2002 | 5 | 3 |
| 2003 | 2 | 1 |
| 2004 | 4 | 14 |
| 2005 | 6 | 10 |
| 2006 | 12 | 11 |
| 2007 | 6 | 15 |
| 2008 | 8 | 27 |
| 2009 | 7 | 20 |
| 2010 | 15 | 19 |
| 2011 | 18 | 18 |
| 2012 | 11 | 19 |
| 2013 | 13 | 15 |
| 2014 | 9 | 17 |
| 2015 | 10 | 17 |
| 2016 | 20 | 34 |
| 2017 | 25 | 35 |
| 2018 | 29 | 46 |
| 2019 | 48 | 33 |
| 2020 | 23 | 26 |
| 2021 | 17 | 22 |
| 2022 | 22 | 18 |
| 2023 | 13 | 14 |
| 2024 | 18 | 14 |
| 2025 | 11 | 7 |
| 2026 | 9 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E05B 39/04Locks giving indication of authorised or unauthorised unlocking: with counting or registering89
- E05B 39/005Locks with means for tracking the location of locked items74
- E05B 39/02Locks giving indication of authorised or unauthorised unlocking: with destructible seal closures68
- E05B 39/002Locks giving indication of authorised or unauthorised unlocking: by releasing a liquid44
- E05B 39/007Indication by a tactile impulse to the user15
Recent patents
- Lavatory compartment structure of aircraft18 Aug 2026US 12,709,393 B2Jamco Corporation
- Door latch assembly with wireless overlock14 Jul 2026US 12,680,338 B2Honeywell International Inc.
- Handle arrangement19 May 2026US 12,631,044 B2U-Shin Italia S.p.A.
- Electrified latch12 May 2026US 12,624,571 B2Hanchett Entry Systems, Inc.
- Systems and methods to enable secure exchange of goods in package receptacles, and remote monitoring and control of package receptacles and its surroundings24 Mar 2026US 12,582,254 B2Doorbox Corporation
- Systems and methods for secure exchange of goods, intelligent monitoring, and remote control of package receptacles and surroundings25 Jun 2026US 2026/0174261 A1Doorbox Corporation
- Lavatory compartment structure of aircraft25 Jun 2026US 2026/0175979 A1Jamco Corporation
- Exit device systems and methods12 Feb 2026US 2026/0043276 A1Schlage Lock Company LLC
- Cable seal lock with rfid & ble31 Jul 2025US 2025/0243690 A1E.J. Brooks Company d.b.a. TydenBrooks
- Lock with tamper-evident security3 Jul 2025US 2025/0215727 A1NCR Atleos Corporation
Most cited
By later US patents
- Electronic seal, methods and security system195US 6,420,971 B1TRIpseal Limited · 2002
- Smart container monitoring system175US 6,753,775 B2Hi-G-Tek Ltd. · 2004
- Intelligent door lock system101US 9,322,194 B2August Home, Inc. · 2016
- Combination and key operated padlock with indicator80US 6,877,345 B1The Eastern Company · 2005
- Intelligent door lock system with wing latches80US 9,322,201 B1August Home, Inc. · 2016