G08B 29/145
Of fire detection circuits
Official title: {of fire detection circuits}
G08B29/145 (Of fire detection circuits) appears on 426 US grants and 378 published applications in this corpus.
Search patents in G08B- Granted patents
- 426
- Published applications
- 378
- Assignees
- 139
- Inventors
- 698
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 7 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 10 | 11 |
| 2003 | 5 | 6 |
| 2004 | 8 | 11 |
| 2005 | 5 | 8 |
| 2006 | 8 | 9 |
| 2007 | 10 | 10 |
| 2008 | 2 | 4 |
| 2009 | 6 | 13 |
| 2010 | 8 | 10 |
| 2011 | 5 | 5 |
| 2012 | 6 | 3 |
| 2013 | 9 | 7 |
| 2014 | 8 | 6 |
| 2015 | 16 | 29 |
| 2016 | 13 | 17 |
| 2017 | 18 | 19 |
| 2018 | 25 | 27 |
| 2019 | 15 | 25 |
| 2020 | 29 | 18 |
| 2021 | 25 | 26 |
| 2022 | 14 | 23 |
| 2023 | 29 | 30 |
| 2024 | 17 | 28 |
| 2025 | 22 | 17 |
| 2026 | 17 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- Location-indicating smoke detection arrangement23 Jun 2026US 12,664,876 B2
- Walk test for fire alarm systems using a mobile device16 Jun 2026US 12,658,024 B2Honeywell International Inc.
- Fire protection method and fire protection system26 May 2026US 12,640,031 B2ROZETATECH Co., Ltd.
- Fire detection system data device24 Sep 2026US 2026/0290149 A1Tyco Fire & Security GmbH
- Location determination for hazard detector testing24 Sep 2026US 2026/0292443 A1No Climb Products Limited
- Smoke detector device insect control13 Aug 2026US 2026/0235486 A1Honeywell International Inc.
- Event monitoring and detection device testing6 Aug 2026US 2026/0227329 A1Honeywell International Inc.
- Event sensing device23 Jul 2026US 2026/0212751 A1Honeywell International Inc.
Most cited
By later US patents
- Smoke detector system with self-diagnostic capabilities and replaceable smoke intake canopy231US 5,546,074 ASentrol, Inc. · 1996
- Method and system for wireless configuration, control, and status reporting of devices in a fire alarm system197US 8,988,217 B2Tyco Fire & Security GmbH · 2015
- Hazardous condition detection system and method and thermostat for use therewith144US 7,135,965 B2Maple Chase Company · 2006
- Remotely attachable and separable coupling119US 7,287,738 B2Accessmount LLC · 2007
- Photoelectric type fire detector115US 5,574,435 ANohmi Bosai Ltd. · 1996