G08B 26/004
Alarm systems in which substations are interrogated in succession by a central
Official title: {with common interrogation of substations}
G08B26/004 (Alarm systems in which substations are interrogated in succession by a central) appears on 21 US grants and 12 published applications in this corpus.
Search patents in G08B- Granted patents
- 21
- Published applications
- 12
- Assignees
- 18
- Inventors
- 56
- 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 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 2 | 2 |
| 2021 | 2 | 3 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Intrusion detection system and intrusion detection method23 Jun 2026US 12,664,872 B2Delta Electronics, Inc.
- Systems and methods for electronic monitoring and protection14 Nov 2023US 11,815,917 B2DISH Network L.L.C.
- Systems and methods for electronic monitoring and protection15 Nov 2022US 11,500,396 B2DISH Network L.L.C.
- Security system with smart connection module27 Sep 2022US 11,455,164 B2Alarm.com Incorporated
- Fire notification facility22 Jun 2021US 11,043,109 B2Hochiki Corporation
- Intrusion detection system and intrusion detection method30 Jan 2025US 2025/0037571 A1Delta Electronics, Inc.
- Systems and methods for electronic monitoring and protection2 Feb 2023US 2023/0032027 A1DISH Network L.L.C.
- Systems and methods for electronic monitoring and protection3 Feb 2022US 2022/0035384 A1DISH Network L.L.C.
- Establishing an audio/video link to a central monitoring station8 Jul 2021US 2021/0209932 A1Carrier Corporation
- Security system with smart connection module15 Apr 2021US 2021/0109743 A1Alarm.com Incorporated
Most cited
By later US patents
- Multiplexed alarm system39US 4,754,262 AInteractive Technologies, Inc. · 1988
- Sensor monitoring alarm system37US 4,203,096 AMallinckrodt Inc. · 1980
- Information reporting multiplex system30US 4,680,582 AHoneywell Inc. · 1987
- Communication system capable of broadcast messaging and transponder polling23US 5,194,846 AGeneral Signal Corporation · 1993
- Master antenna line communication system18US 3,932,858 AInn-Tronics · 1976