A62C 3/04
Fire prevention, containment or extinguishing specially adapted for particular objects or places
Official title: for dust or loosely-baled or loosely-piled materials, e.g. in silos, in chimneys (flame traps A62C4/00)
A62C3/04 (Fire prevention, containment or extinguishing specially adapted for particular objects or places) appears on 89 US grants and 69 published applications in this corpus.
Search patents in A62C- Granted patents
- 89
- Published applications
- 69
- Assignees
- 64
- Inventors
- 213
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 3 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 4 |
| 2016 | 3 | 3 |
| 2017 | 1 | 3 |
| 2018 | 1 | 4 |
| 2019 | 3 | 5 |
| 2020 | 0 | 6 |
| 2021 | 5 | 7 |
| 2022 | 4 | 3 |
| 2023 | 3 | 5 |
| 2024 | 3 | 6 |
| 2025 | 8 | 5 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for suppression of smoke and/or fire in an auger system26 May 2026US 12,637,296 B2Komar Industries, Inc.
- Electrical power generation and architecture structure for controlling an acoustic fire suppression system13 Jan 2026US 12,521,587 B2Incaendium Initiative Corporation
- Management system, management device, management method, and non-transitory computer readable media2 Dec 2025US 12,487,127 B2Kurita Water Industries Ltd.
- Fire protection for small-shop dust collection systems26 Aug 2025US 12,400,534 B2Oneida Air Systems, Inc.
- System and method for detecting and suppressing dust explosions10 Jun 2025US 12,324,940 B2Fike Corporation
- Systems and Methods for Improving Fire Safety in Agricultural Machinery13 Nov 2025US 2025/0345642 A1Suppression Technologies, Inc.
- Fire-fighting cannon for the management of fires30 Oct 2025US 2025/0332459 A1
- System and method for thermal detection, suppression, and discharge8 May 2025US 2025/0144458 A1Oshkosh Corporation
- Sprinkler system for a materials disposal chute and a method of using the same30 Jan 2025US 2025/0032832 A1Chazem Manufacturing, LLC
- Fire Protection for Small-Shop Dust Collection Systems2 Jan 2025US 2025/0006030 A1Oneida Air Systems, Inc.
Most cited
By later US patents
- Fire extinguishing system120US 6,648,077 B22003
- Method of treating earthen areas50US 4,076,862 AUnited States Gypsum Company · 1978
- Method and apparatus for explosion protection of plants, pipelines and the like by pressure monitoring40US 4,928,255 AIRS Industrie Rationalisierungs-Systeme GmbH · 1990
- Sprinkler head mounting system32US 5,842,526 A1998
- Exhaust hood apparatus31US 5,642,784 ASani Metal Ltd. · 1997