E05B 17/20
Means independent of the locking mechanism for preventing unauthorised opening
Official title: Means independent of the locking mechanism for preventing unauthorised opening, e.g. for securing the bolt in the fastening position {(locks with means carried by the bolt for interlocking with the keeper E05B63/12)}
E05B17/20 (Means independent of the locking mechanism for preventing unauthorised opening) appears on 1,060 US grants and 860 published applications in this corpus.
Search patents in E05B- Granted patents
- 1,060
- Published applications
- 860
- Assignees
- 516
- Inventors
- 1,688
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 5 | 0 |
| 1978 | 12 | 0 |
| 1979 | 8 | 0 |
| 1980 | 8 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 9 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 11 | 0 |
| 1992 | 23 | 0 |
| 1993 | 15 | 0 |
| 1994 | 14 | 0 |
| 1995 | 16 | 0 |
| 1996 | 25 | 0 |
| 1997 | 25 | 0 |
| 1998 | 30 | 0 |
| 1999 | 18 | 0 |
| 2000 | 22 | 0 |
| 2001 | 20 | 8 |
| 2002 | 27 | 25 |
| 2003 | 35 | 32 |
| 2004 | 27 | 28 |
| 2005 | 28 | 21 |
| 2006 | 20 | 25 |
| 2007 | 15 | 24 |
| 2008 | 21 | 26 |
| 2009 | 8 | 21 |
| 2010 | 17 | 29 |
| 2011 | 14 | 25 |
| 2012 | 20 | 24 |
| 2013 | 24 | 36 |
| 2014 | 24 | 36 |
| 2015 | 33 | 30 |
| 2016 | 32 | 46 |
| 2017 | 38 | 58 |
| 2018 | 36 | 56 |
| 2019 | 49 | 50 |
| 2020 | 59 | 57 |
| 2021 | 29 | 42 |
| 2022 | 39 | 32 |
| 2023 | 49 | 47 |
| 2024 | 38 | 37 |
| 2025 | 38 | 29 |
| 2026 | 20 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tamper-resistant door locking system6 Oct 2026US 12,753,632 B2Willo Products Company, Inc.
- Mortise and replacement lock for stores door1 Sep 2026US 12,723,437 B2Aisecure Inc.
- Deadbolt25 Aug 2026US 12,716,265 B2Master Lock Company LLC
- Latch apparatus with independent identical opposing latches18 Aug 2026US 12,709,918 B1Carlson Pet Products, Inc.
- Locking system for doors and windows18 Aug 2026US 12,709,924 B2
- Latch assembly and access member system27 Aug 2026US 2026/0250985 A1ASSA ABLOY Global Solutions AB
- An electromagnetic lock having an anti-forced entry mechanism30 Jul 2026US 2026/0218542 A1Wenzhou Jinfu Locks Industry Co., Ltd
- Lock apparatuses with secondary locking mechanisms2 Jul 2026US 2026/0185384 A1Schlage Lock Company LLC
- Safe lock25 Jun 2026US 2026/0176891 A1Knock N'lock Ltd.
- Mortise and replacement lock for stores door14 May 2026US 2026/0132655 A1Aisecure Inc.
Most cited
By later US patents
- Automatically-closing connector for connecting a liquid injection head to an injection outlet232US 6,595,981 B2Vygon · 2003
- Release device for retaining pin222US 5,771,742 ATiNi Alloy Company · 1998
- Electromagnetic lock154US 5,690,373 ATrimec Securities Pty. Limited · 1997
- Electronically controlled security lock147US 5,862,693 AFort Lock Corporation · 1999
- Camera housing123US 8,837,928 B1GoPro, Inc. · 2014