A62C 37/21
Automatic
Official title: automatic
A62C37/21 (Automatic) appears on 17 US grants and 8 published applications in this corpus.
Search patents in A62C- Granted patents
- 17
- Published applications
- 8
- Assignees
- 10
- Inventors
- 24
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual stage fire sprinkler head and fire suppression system17 Feb 2026US 12,551,742 B1HDK Innovations, LLC
- Pop-out sprinkler with vacuum actuated push-back29 Oct 2024US 12,128,433 B2Marioff Corporation Oy
- Pop-out sprinkler with vacuum actuated push-back5 Sep 2023US 11,745,210 B2Marioff Corporation Oy
- Systems and methods for transporting a fluid using an unmanned aerial vehicle6 Sep 2022US 11,434,001 B2
- Temperature-sensing and automatic on and off fire extinguishing device2 Mar 2021US 10,933,269 B2Shandong Brightman Energytechnology Co., Ltd.
- Pop-out sprinkler with vacuum actuated push-back9 Nov 2023US 2023/0356250 A1Marioff Corporation Oy
- Systems and methods for transporting a fluid using an unmanned aerial vehicle14 Jul 2022US 2022/0219819 A1
- Pop-out sprinkler with vacuum actuated push-back16 Jul 2020US 2020/0222934 A1Marioff Corporation Oy
- Automatic fire hydrant water supplying system12 Sep 2019US 2019/0277010 A1Hale Products, Inc.
- Temperature-sensing and automatic on and off fire extinguishing device11 Oct 2018US 2018/0289997 A1Shandong Brightman Energytechnology Co., Ltd.
Most cited
By later US patents
- Fire extinguishing system120US 6,648,077 B22003
- Fire sprinkler system and automatic shut-off valve therefor94US 4,923,013 A1990
- Sprinkler head and operation monitor therefor47US 5,117,916 AHochiki Corporation · 1992
- Fire extinguishing system28US 3,949,812 A1976
- Delayed closing fire sprinkler heads16US 3,991,829 AU.S. Fire Control Corporation · 1976