E05B 47/0038
Operating or controlling locks or other fastening devices by electric or magnetic
Official title: {using permanent magnets}
E05B47/0038 (Operating or controlling locks or other fastening devices by electric or magnetic) appears on 456 US grants and 454 published applications in this corpus.
Search patents in E05B- Granted patents
- 456
- Published applications
- 454
- Assignees
- 282
- Inventors
- 848
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 1 |
| 2002 | 6 | 7 |
| 2003 | 3 | 6 |
| 2004 | 5 | 5 |
| 2005 | 2 | 7 |
| 2006 | 6 | 10 |
| 2007 | 7 | 12 |
| 2008 | 5 | 16 |
| 2009 | 11 | 5 |
| 2010 | 3 | 14 |
| 2011 | 2 | 8 |
| 2012 | 8 | 20 |
| 2013 | 12 | 7 |
| 2014 | 8 | 11 |
| 2015 | 12 | 19 |
| 2016 | 16 | 20 |
| 2017 | 10 | 27 |
| 2018 | 23 | 29 |
| 2019 | 22 | 30 |
| 2020 | 32 | 45 |
| 2021 | 14 | 46 |
| 2022 | 34 | 31 |
| 2023 | 36 | 31 |
| 2024 | 29 | 14 |
| 2025 | 33 | 17 |
| 2026 | 13 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E05B 47/004The magnets acting directly on the bolt102
- E05B 47/0045Keys with permanent magnets75
- E05B 47/0044Cylinder locks with magnetic tumblers44
- E05B 47/0043Mechanical locks operated by cards having permanent magnets35
- E05B 47/0042With rotary magnet tumblers25
- E05B 47/0041With tumbler pins suspended for a pendulum movement17
Recent patents
- Child resistant unlocking device29 Sep 2026US D1,149,614 S1Design
- Magnetically activated mechanical doorstop15 Sep 2026US 12,735,926 B2Verum Italy S.R.L.
- Electronic door lock with direct drive8 Sep 2026US 12,729,564 B2Passive Bolt, Inc.
- Magnetic locking mechanism for a computing device enclosure18 Aug 2026US 12,709,916 B2Microsoft Technology Licensing, LLC
- Hidden magnetic control lock19 May 2026US 12,631,048 B2Dongguan Yexin Furniture Sales Co., Ltd
- Magnetized linear actuators and actuator assemblies using the same20 Aug 2026US 2026/0243335 A1Southco, Inc.
- Interchangeable functional rose insert23 Jul 2026US 2026/0210156 A1Schlage Lock Company LLC
- Tamper-deterrent devices for medical catheters11 Jun 2026US 2026/0158239 A1The University of North Carolina at Chapel Hill
- Magnetic actuated coupling device28 May 2026US 2026/0146474 A1Raytheon Company
- Bracket and locking mechanism therefor21 May 2026US 2026/0139515 A1Conopco, Inc., d/b/a UNILEVER
Most cited
By later US patents
- Concealed magnetic lock for cabinet closure75US 5,485,733 A1996
- Magnetically operated latch63US 5,076,623 A1991
- Electric lock58US 7,516,633 B1EZ Trend Technology Co., Ltd. · 2009
- Electromechanical cylinder lock with rotary release56US 5,839,307 AMedeco Security Locks, Inc. · 1998
- Method of securing against theft of goods and device for carrying out said method55US 6,023,951 A2000