E05C 19/168
A movable bolt being electromagnetically held in the striker by electromagnetic attraction
Official title: {a movable bolt being electromagnetically held in the striker by electromagnetic attraction}
E05C19/168 (A movable bolt being electromagnetically held in the striker by electromagnetic attraction) appears on 44 US grants and 33 published applications in this corpus.
Search patents in E05C- Granted patents
- 44
- Published applications
- 33
- Assignees
- 25
- Inventors
- 62
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 6 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 5 |
| 2017 | 0 | 4 |
| 2018 | 3 | 2 |
| 2019 | 5 | 1 |
| 2020 | 2 | 4 |
| 2021 | 1 | 2 |
| 2022 | 2 | 3 |
| 2023 | 4 | 1 |
| 2024 | 4 | 3 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Safety switch having a lock function using an electromagnet21 Apr 2026US 12,609,259 B2Keyence Corporation
- Door position sensor for an electromagnetic door lock6 Aug 2024US 12,054,966 B2Hanchett Entry Systems, Inc.
- Lever action automatic shootbolt operator with magnetically-triggered locking mechanism16 Apr 2024US 11,959,307 B2Interlock USA, Inc.
- Security lockdown device and method26 Mar 2024US 11,941,957 B2Sennco Solutions, Inc.
- Latch mechanism12 Mar 2024US 11,927,039 B2Centor Design Pty Ltd
- Safety switch9 Jul 2026US 2026/0196430 A1Keyence Corporation
- Security lockdown device and method12 Dec 2024US 2024/0412608 A1Sennco Solution Inc.
- Safety switch15 Feb 2024US 2024/0055203 A1Keyence Corporation
- Safety switch15 Feb 2024US 2024/0055207 A1Keyence Corporation
- Lever action automatic shootbolt operator with magnetically-triggered locking mechanism5 Jan 2023US 2023/0003053 A1Interlock USA, Inc.
Most cited
By later US patents
- Electronic delayed egress locking system62US 5,429,399 A1995
- Electromagnetic door lock assembly49US 5,184,855 AVon Duprin, Inc. · 1993
- Magneto-mechanical locking device39US 7,267,378 B2Drumm GmbH · 2007
- Electromagnetic lock36US 4,439,808 ABSG (Security) Limited · 1984
- Electromagnetic shear lock28US 5,016,929 AHarrow Products, Inc. · 1991