A62C 37/44
Only the sensor being in the danger zone
Official title: only the sensor being in the danger zone
A62C37/44 (Only the sensor being in the danger zone) appears on 165 US grants and 217 published applications in this corpus.
Search patents in A62C- Granted patents
- 165
- Published applications
- 217
- Assignees
- 85
- Inventors
- 332
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 3 |
| 2003 | 2 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 3 |
| 2007 | 2 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 4 |
| 2010 | 7 | 2 |
| 2011 | 0 | 4 |
| 2012 | 3 | 3 |
| 2013 | 1 | 4 |
| 2014 | 4 | 2 |
| 2015 | 6 | 11 |
| 2016 | 5 | 13 |
| 2017 | 3 | 9 |
| 2018 | 6 | 8 |
| 2019 | 10 | 13 |
| 2020 | 12 | 38 |
| 2021 | 20 | 14 |
| 2022 | 13 | 30 |
| 2023 | 19 | 12 |
| 2024 | 16 | 17 |
| 2025 | 12 | 15 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- System and method for smart city firefighting and automatic extinguishment based on internet of things large model15 Jan 2026US 2026/0014401 A1Chengdu Qinchuan Iot Technology Co., Ltd.
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Most cited
By later US patents
- Fire condition detection and control system for air moving and filtering units228US 4,818,970 AGPAC, Inc. · 1989
- Multi-zone firewall detection system85US 7,275,604 B12007
- Industrial oil cooker fire protection system51US 7,789,165 B12010
- Fire emergency, sprinkling control system and method thereof50US 5,236,049 ASecurite Polygon Inc. · 1993
- Low pressure pneumatic and gate actuator49US 6,666,277 B2Victaulic Company of America · 2003