E05C 19/166
Electromagnetic
Official title: {electromagnetic}
E05C19/166 (Electromagnetic) appears on 189 US grants and 178 published applications in this corpus.
Search patents in E05C- Granted patents
- 189
- Published applications
- 178
- Assignees
- 108
- Inventors
- 292
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 5 | 4 |
| 2004 | 3 | 6 |
| 2005 | 4 | 10 |
| 2006 | 1 | 9 |
| 2007 | 2 | 4 |
| 2008 | 3 | 9 |
| 2009 | 1 | 7 |
| 2010 | 6 | 6 |
| 2011 | 1 | 3 |
| 2012 | 9 | 7 |
| 2013 | 4 | 7 |
| 2014 | 5 | 5 |
| 2015 | 8 | 9 |
| 2016 | 3 | 10 |
| 2017 | 2 | 10 |
| 2018 | 8 | 12 |
| 2019 | 15 | 11 |
| 2020 | 10 | 10 |
| 2021 | 8 | 10 |
| 2022 | 8 | 6 |
| 2023 | 5 | 7 |
| 2024 | 12 | 8 |
| 2025 | 5 | 2 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Solid-state degauss circuit for use in an electromagnetic lock23 Jun 2026US 12,665,116 B2Hanchett Entry Systems, Inc.
- Safety switch having a lock function using an electromagnet21 Apr 2026US 12,609,259 B2Keyence Corporation
- Magnetic door lock control system and method18 Nov 2025US 12,473,762 B2
- Method for door lock calibration, door lock, and non-transitory computer storage medium4 Nov 2025US 12,460,951 B2Shenzhen Kaadas Intelligent Technology Co., Ltd.
- Exit device systems and methods21 Oct 2025US 12,448,820 B2Schlage Lock Company LLC
- Safety switch9 Jul 2026US 2026/0196430 A1Keyence Corporation
- Adaptive electromagnetic damping for storage compartment16 Apr 2026US 2026/0103926 A1Tesla, Inc.
- Electromagnetic lock securely-mounting structure19 Mar 2026US 2026/0078609 A1Gianni Industries Inc.
- Exit device systems and methods12 Feb 2026US 2026/0043276 A1Schlage Lock Company LLC
- Solid-state degauss circuit for use in an electromagnetic lock11 Dec 2025US 2025/0378981 A1Hanchett Entry System, Inc.
Most cited
By later US patents
- Magnetic closure mechanism for a portable computer159US 6,366,440 B1Compal Electronics, Inc. · 2002
- Electromagnetic door lock system88US 4,763,937 A1988
- Electromagnetic door lock with on-board programmable access control84US 5,479,151 AHarrow Products, Inc. · 1995
- Electronic delayed egress locking system62US 5,429,399 A1995
- Door opening and closing system54US 6,811,236 B1Fisher & Paykel Limited · 2004