E05B 55/12
The bolt being secured by the operation of a hidden parallel member
Official title: the bolt being secured by the operation of a hidden parallel member {; Automatic latch bolt deadlocking mechanisms, e.g. using a trigger or a feeler}
E05B55/12 (The bolt being secured by the operation of a hidden parallel member) appears on 136 US grants and 99 published applications in this corpus.
Search patents in E05B- Granted patents
- 136
- Published applications
- 99
- Assignees
- 64
- Inventors
- 185
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 8 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 4 |
| 2008 | 3 | 2 |
| 2009 | 2 | 1 |
| 2010 | 1 | 5 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 3 | 0 |
| 2014 | 3 | 2 |
| 2015 | 2 | 1 |
| 2016 | 5 | 6 |
| 2017 | 10 | 3 |
| 2018 | 1 | 10 |
| 2019 | 6 | 4 |
| 2020 | 2 | 13 |
| 2021 | 4 | 9 |
| 2022 | 15 | 7 |
| 2023 | 12 | 4 |
| 2024 | 2 | 10 |
| 2025 | 8 | 6 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Door lock device, door, and mobile vehicle4 Aug 2026US 12,698,649 B1
- Squeeze trigger latch28 Jul 2026US 12,692,734 B2Bauer Products, Inc.
- Tubular latch mechanism28 Apr 2026US 12,612,805 B2Schlage Lock Company LLC
- Friction resistant, retrofitted, auto-resetting, detention latch lock apparatus20 Jan 2026US 12,529,246 B2
- Lock6 Jan 2026US 12,516,550 B2ABUS August Bremicker Söhne KG
- Tubular latch mechanism3 Sep 2026US 2026/0258673 A1Schlage Lock Company LLC
- Video recording triggered by a smart lock device12 Feb 2026US 2026/0043272 A1Master Lock Company LLC
- Controllable door lock5 Feb 2026US 2026/0035965 A1Janus International Group, LLC
- Door lock device28 Aug 2025US 2025/0270850 A1Fibre Industry Co., Ltd.
- Double lock system28 Aug 2025US 2025/0270851 A1Port Security Systems LLC
Most cited
By later US patents
- Intelligent door lock system101US 9,322,194 B2August Home, Inc. · 2016
- Intelligent door lock system with wing latches80US 9,322,201 B1August Home, Inc. · 2016
- Intelligent door lock system with faceplate and/or ring electrically isolated from circuit73US 9,470,017 B1August Home, Inc. · 2016
- Electromechanical door lock64US 5,083,448 AAbloy Security Ltd. Oy · 1992
- Intelligent door lock system retrofitted to existing door lock mechanism62US 9,534,420 B1August Home, Inc. · 2017