G08B 26/001
Alarm systems in which substations are interrogated in succession by a central
Official title: {with individual interrogation of substations connected in parallel}
G08B26/001 (Alarm systems in which substations are interrogated in succession by a central) appears on 146 US grants and 24 published applications in this corpus.
Search patents in G08B- Granted patents
- 146
- Published applications
- 24
- Assignees
- 62
- Inventors
- 225
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 9 | 0 |
| 1989 | 4 | 0 |
| 1990 | 11 | 0 |
| 1991 | 10 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 2 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 3 | 0 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 0 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Alert response tool26 May 2026US 12,640,029 B2Sumo Logic, Inc.
- Alert response tool1 Oct 2024US 12,106,658 B2Sumo Logic, Inc.
- System and method for adapting workflows based on time to respond2 May 2023US 11,640,759 B1Motorola Solutions, Inc.
- Cloud device and user equipment device collaborative decision-making19 Jul 2022US 11,393,324 B1Motorola Solutions, Inc.
- Communication system and method for using human telematic data to provide a hazard alarm/notification message to a user in a static environment such as in or around buildings or other structures5 May 2020US 10,645,472 B1Allstate Insurance Company
- Information processing apparatus, safety confirmation system, information processing method, and information processing program9 Jul 2026US 2026/0196125 A1NTT, Inc.
- Fire detection system and method8 Jan 2026US 2026/0011231 A1Norphonic AS
- Accellfx proximity detection system23 Jan 2025US 2025/0029476 A1
- Alert response tool12 Dec 2024US 2024/0412620 A1Sumo Logic, Inc.
- Alert response tool28 Mar 2024US 2024/0105050 A1Sumo Logic, Inc.
Most cited
By later US patents
- Auto synchronous output module and system222US 5,959,528 AGeneral Signal Corporation · 1999
- Multiple sensor intrusion alarm system183US 4,206,449 AAmerican District Telegraph Company · 1980
- Hospital signaling and communications system149US 4,967,195 A1990
- Apparatus and method for providing power from master controller to subcontrollers and data communication therebetween130US 4,535,401 ATexas Instruments Incorporated · 1985
- System for bilateral communication of a command station with remotely located sensors and actuators107US 4,672,374 AFirecom, Inc. · 1987