G08B 13/2491
Intrusion detection systems, i.e. where the body of an intruder causes the
Official title: {Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field}
G08B13/2491 (Intrusion detection systems, i.e. where the body of an intruder causes the) appears on 586 US grants and 524 published applications in this corpus.
Search patents in G08B- Granted patents
- 586
- Published applications
- 524
- Assignees
- 319
- Inventors
- 988
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 0 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 4 |
| 2003 | 4 | 9 |
| 2004 | 6 | 8 |
| 2005 | 7 | 15 |
| 2006 | 13 | 9 |
| 2007 | 7 | 13 |
| 2008 | 6 | 21 |
| 2009 | 7 | 22 |
| 2010 | 16 | 25 |
| 2011 | 17 | 13 |
| 2012 | 12 | 20 |
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| 2014 | 20 | 17 |
| 2015 | 11 | 32 |
| 2016 | 34 | 44 |
| 2017 | 36 | 52 |
| 2018 | 44 | 38 |
| 2019 | 49 | 41 |
| 2020 | 36 | 28 |
| 2021 | 31 | 32 |
| 2022 | 26 | 23 |
| 2023 | 26 | 20 |
| 2024 | 18 | 14 |
| 2025 | 16 | 7 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and methods for proactive threat detection in a security system18 Aug 2026US 12,711,226 B2Honeywell Internatonal Inc.
- Stereophonic and n-phonic energy detector28 Jul 2026US 12,693,397 B1
- System and method for presence and pulse detection from wireless signals26 May 2026US 12,638,551 B2Aerial Technologies Inc.
- System and methods for identifying a subject through device-free and device-oriented sensing technologies26 May 2026US 12,640,024 B2Aerial Technologies Inc.
- State detection5 May 2026US 12,618,964 B2Essence Smartcare Ltd.
- Security sensor unit, security sensor unit control method, control program, and recording medium23 Jul 2026US 2026/0211105 A1Optex Co., Ltd.
- Sensing service execution method and apparatus16 Jul 2026US 2026/0205779 A1Beijing Xiaomi Mobile Software Co., Ltd.
- Intruder detection system and method9 Jul 2026US 2026/0196114 A1Essence Security International (E.S.I.) Ltd.
- Intrusion detection system and method9 Jul 2026US 2026/0196115 A1Essence Security International (E.S.I.) Ltd.
- Sensor Arrangement18 Jun 2026US 2026/0170936 A1Comcast Cable Communications, LLC
Most cited
By later US patents
- Cordless remote alarm transmission apparatus406US 6,049,273 ATattletale Portable Alarm, Inc. · 2000
- Portable alarm system344US 5,777,551 A1998
- Security system288US 7,847,675 B1Kimball International, Inc. · 2010
- Workspace security system263US 6,965,294 B1Kimball International, Inc. · 2005
- Alarm transmission apparatus257US 6,441,731 B12002