E05B 2047/0076
Current to lock only, i.e. "fail-safe"
Official title: {Current to lock only, i.e. "fail-safe"}
E05B2047/0076 (Current to lock only, i.e. "fail-safe") appears on 110 US grants and 106 published applications in this corpus.
Search patents in E05B- Granted patents
- 110
- Published applications
- 106
- Assignees
- 64
- Inventors
- 158
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 5 |
| 2003 | 4 | 0 |
| 2004 | 1 | 4 |
| 2005 | 4 | 4 |
| 2006 | 5 | 10 |
| 2007 | 2 | 1 |
| 2008 | 1 | 4 |
| 2009 | 3 | 1 |
| 2010 | 2 | 6 |
| 2011 | 4 | 3 |
| 2012 | 3 | 4 |
| 2013 | 3 | 6 |
| 2014 | 4 | 6 |
| 2015 | 3 | 6 |
| 2016 | 6 | 3 |
| 2017 | 8 | 7 |
| 2018 | 4 | 6 |
| 2019 | 3 | 4 |
| 2020 | 8 | 5 |
| 2021 | 2 | 2 |
| 2022 | 7 | 3 |
| 2023 | 4 | 7 |
| 2024 | 3 | 2 |
| 2025 | 5 | 3 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electric strike for a sliding door latch27 Jan 2026US 12,534,936 B2Hanchett Entry Systems, Inc.
- Surface mounted electric strike30 Dec 2025US 12,509,915 B2Hanchett Entry Systems, Inc.
- Automatic analyzer19 Aug 2025US 12,392,788 B2Hitachi High-Tech Corporation
- Bolting mechanism27 May 2025US 12,312,838 B2Surelock McGill Limited
- Door opening system for animal enclosure29 Apr 2025US 12,286,814 B1
- Locking device for residential dumpster and methods9 Jul 2026US 2026/0193026 A1Serio-Us Industries, Inc.
- Electric strike for a sliding door latch21 May 2026US 2026/0139516 A1Hanchett Entry Systems, Inc.
- Low-power electric door strike including dual locking mechanism12 Feb 2026US 2026/0043274 A1Hanchett Entry Systems, Inc.
- Surface mounted electric strike22 Jan 2026US 2026/0022590 A1Hanchett Entry Systems, Inc.
- Lock structure and cooking appliance21 Aug 2025US 2025/0264224 A1Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd.
Most cited
By later US patents
- Electromagnetic lock device137US 6,079,755 A2000
- Locking device, in particular for furniture137US 6,092,846 AEFF-EFF Fritz Fuss GmbH & Co. · 2000
- Release mechanism and method with alarm circuit88US 5,082,316 AThe Cookson Company · 1992
- Electronic delayed egress locking system62US 5,429,399 A1995
- Electric strike for fail safe or fail secure operation48US 5,490,699 AAdams Rite Manufacturing Co. · 1996