G08B 29/12
Checking intermittently signalling or alarm systems
G08B29/12 (Checking intermittently signalling or alarm systems) appears on 831 US grants and 698 published applications in this corpus.
Search patents in G08B- Granted patents
- 831
- Published applications
- 698
- Assignees
- 325
- Inventors
- 1,426
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 7 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 6 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 11 | 0 |
| 1985 | 14 | 0 |
| 1986 | 8 | 0 |
| 1987 | 10 | 0 |
| 1988 | 14 | 0 |
| 1989 | 11 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 10 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 16 | 0 |
| 1997 | 9 | 0 |
| 1998 | 13 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 1 |
| 2002 | 14 | 12 |
| 2003 | 8 | 8 |
| 2004 | 10 | 21 |
| 2005 | 6 | 12 |
| 2006 | 19 | 21 |
| 2007 | 20 | 15 |
| 2008 | 7 | 7 |
| 2009 | 11 | 21 |
| 2010 | 10 | 15 |
| 2011 | 8 | 13 |
| 2012 | 13 | 6 |
| 2013 | 14 | 25 |
| 2014 | 16 | 19 |
| 2015 | 31 | 50 |
| 2016 | 30 | 36 |
| 2017 | 35 | 33 |
| 2018 | 48 | 48 |
| 2019 | 44 | 61 |
| 2020 | 65 | 39 |
| 2021 | 39 | 49 |
| 2022 | 35 | 41 |
| 2023 | 47 | 46 |
| 2024 | 34 | 39 |
| 2025 | 29 | 24 |
| 2026 | 22 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fire events pattern analysis and cross-building data analytics8 Sep 2026US 12,731,480 B2Honeywell International Inc.
- Calibration of a heating element in a fire sensing device25 Aug 2026US 12,714,900 B2Honeywell International Inc.
- Broken wire detection within a security surveillance network18 Aug 2026US 12,711,854 B2Robert Bosch GmbH
- Fire alarm device inspection method and fire alarm device23 Jun 2026US 12,664,873 B2ROZETATECH Co., Ltd.
- Location-indicating smoke detection arrangement23 Jun 2026US 12,664,876 B2
- Fire detection system data device24 Sep 2026US 2026/0290149 A1Tyco Fire & Security GmbH
- Hazard detector testing24 Sep 2026US 2026/0290150 A1No Climb Products Limited
- Location determination for hazard detector testing24 Sep 2026US 2026/0292443 A1No Climb Products Limited
- Unsealing detection member and unsealing detection system27 Aug 2026US 2026/0253486 A1Maxell, Ltd.
- Smoke detector device insect control13 Aug 2026US 2026/0235486 A1Honeywell International Inc.
Most cited
By later US patents
- RFID based security network299US 7,019,639 B2InGrid, Inc. · 2006
- Multi-controller security network296US 7,079,020 B2InGrid, Inc. · 2006
- Sensor test method and apparatus252US 5,686,885 AInteractive Technologies, Inc. · 1997
- Personal security system with system wide testing235US 5,578,989 ADetection Systems, Inc. · 1996
- Smoke detector system with self-diagnostic capabilities and replaceable smoke intake canopy231US 5,546,074 ASentrol, Inc. · 1996