G08B 29/04
Monitoring of the detection circuits
G08B29/04 (Monitoring of the detection circuits) appears on 767 US grants and 719 published applications in this corpus.
Search patents in G08B- Granted patents
- 767
- Published applications
- 719
- Assignees
- 353
- Inventors
- 1,361
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 9 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 12 | 0 |
| 1988 | 6 | 0 |
| 1989 | 12 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 3 |
| 2002 | 6 | 5 |
| 2003 | 5 | 7 |
| 2004 | 4 | 6 |
| 2005 | 5 | 18 |
| 2006 | 12 | 9 |
| 2007 | 13 | 23 |
| 2008 | 7 | 14 |
| 2009 | 10 | 23 |
| 2010 | 13 | 19 |
| 2011 | 13 | 15 |
| 2012 | 10 | 14 |
| 2013 | 14 | 22 |
| 2014 | 25 | 23 |
| 2015 | 30 | 42 |
| 2016 | 34 | 39 |
| 2017 | 39 | 38 |
| 2018 | 59 | 54 |
| 2019 | 41 | 42 |
| 2020 | 56 | 59 |
| 2021 | 50 | 54 |
| 2022 | 47 | 52 |
| 2023 | 39 | 35 |
| 2024 | 37 | 45 |
| 2025 | 33 | 36 |
| 2026 | 15 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Benchmark test point with integrated RFID technology for a particle detector15 Sep 2026US 12,736,442 B2Rockwell Research and Development Group, LLC
- Systems and methods for blockage detection in gas detectors18 Aug 2026US 12,710,348 B2Detector Electronics Buyer US, LLC
- Electronic monitoring (EM) GPS decision aid18 Aug 2026US 12,711,850 B2The University of Chicago
- Fire detector having unheated thermistors for capturing thermal fluctuations in the region of the inlet openings28 Jul 2026US 12,694,780 B2Siemens Schweiz AG
- Leakage current noise reduction for ionization chamber based alarms30 Jun 2026US 12,670,775 B2Microchip Technology Incorporated
- Tamper protecton17 Sep 2026US 2026/0278179 A1
- Status alert system, method and apparatus for security systems10 Sep 2026US 2026/0268759 A1Universal Electronics Inc.
- Anti-theft device with cable attachment6 Aug 2026US 2026/0229099 A1Fasteners for Retail, Inc.
- Event sensing device23 Jul 2026US 2026/0212751 A1Honeywell International Inc.
- System and method for location monitoring and event-based sentinel management9 Jul 2026US 2026/0192455 A1Resideo LLC
Most cited
By later US patents
- Conductive tamper switch for security devices1,207US 7,388,484 B2Honeywell International Inc. · 2008
- Global security system519US 5,497,149 A1996
- Personal tracking device353US 7,015,817 B22006
- Virtual sensors291US 9,064,394 B1Alarm.com Incorporated · 2015
- System and method for alarm signaling during alarm system destruction272US 7,619,512 B2Alarm.com Incorporated · 2009