E05B 47/0044
Cylinder locks with magnetic tumblers
Official title: {Cylinder locks with magnetic tumblers (E05B47/0041, E05B47/0042 take precedence)}
E05B47/0044 (Cylinder locks with magnetic tumblers) appears on 44 US grants and 41 published applications in this corpus.
Search patents in E05B- Granted patents
- 44
- Published applications
- 41
- Assignees
- 21
- Inventors
- 83
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 2 | 2 |
| 2013 | 0 | 3 |
| 2014 | 1 | 3 |
| 2015 | 3 | 2 |
| 2016 | 4 | 5 |
| 2017 | 1 | 3 |
| 2018 | 3 | 5 |
| 2019 | 4 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pick resistant pin tumbler lock27 Jan 2026US 12,534,935 B2
- Magnetically coded lock7 Oct 2025US 12,435,544 B2DIRAK Dieter Ramsauer Konstruktionselemente GmbH
- Bumping preventing arrangement for lock device, lock device and method24 Jun 2025US 12,338,654 B2Assa Abloy AB
- Magnetic keyed lock25 Jan 2022US 11,230,859 B2
- Energy efficient multi-stable lock cylinder26 Jan 2021US 10,900,259 B2Nexkey, Inc.
- Magnetically Coded Lock14 Aug 2025US 2025/0257588 A1DIRAK Dieter Ramsauer Konstruktionselemente GmbH
- Pick resistant pin tumbler lock27 Mar 2025US 2025/0101770 A1
- Bumping preventing arrangement for lock device, lock device and method25 May 2023US 2023/0160231 A1Assa Abloy AB
- Magnetic keyed lock7 Jan 2021US 2021/0002923 A1
- Energy Efficient Multi-Stable Lock Cylinder6 Dec 2018US 2018/0347233 A1Nexkey, Inc.
Most cited
By later US patents
- Energy efficient multi-stable lock cylinder40US 9,222,282 B2Nexkey, Inc. · 2015
- Magnetic lock37US 4,380,162 A1983
- Ferromagnetic barrel lock and corresponding key19US 4,841,758 A1989
- Magnetically acting lock and key18US 4,228,667 ALowe & Fletcher Limited · 1980
- Locking device with a cylinder lock and a flat key17US 6,041,631 AR. Berchtold AG · 2000