F23D 14/72
Safety devices
Official title: Safety devices, e.g. operative in case of failure of gas supply
F23D14/72 (Safety devices) appears on 823 US grants and 707 published applications in this corpus.
Search patents in F23D- Granted patents
- 823
- Published applications
- 707
- Assignees
- 480
- Inventors
- 1,879
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 9 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 9 | 0 |
| 1984 | 7 | 0 |
| 1985 | 12 | 0 |
| 1986 | 11 | 0 |
| 1987 | 11 | 0 |
| 1988 | 13 | 0 |
| 1989 | 9 | 0 |
| 1990 | 10 | 0 |
| 1991 | 9 | 0 |
| 1992 | 18 | 0 |
| 1993 | 14 | 0 |
| 1994 | 14 | 0 |
| 1995 | 15 | 0 |
| 1996 | 16 | 0 |
| 1997 | 13 | 0 |
| 1998 | 21 | 0 |
| 1999 | 27 | 0 |
| 2000 | 31 | 0 |
| 2001 | 22 | 11 |
| 2002 | 20 | 16 |
| 2003 | 21 | 29 |
| 2004 | 22 | 26 |
| 2005 | 22 | 24 |
| 2006 | 11 | 16 |
| 2007 | 12 | 11 |
| 2008 | 5 | 20 |
| 2009 | 5 | 20 |
| 2010 | 6 | 35 |
| 2011 | 13 | 27 |
| 2012 | 21 | 30 |
| 2013 | 24 | 28 |
| 2014 | 20 | 26 |
| 2015 | 21 | 31 |
| 2016 | 20 | 39 |
| 2017 | 35 | 29 |
| 2018 | 24 | 38 |
| 2019 | 30 | 35 |
| 2020 | 32 | 45 |
| 2021 | 24 | 30 |
| 2022 | 40 | 45 |
| 2023 | 23 | 19 |
| 2024 | 28 | 30 |
| 2025 | 17 | 26 |
| 2026 | 13 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Turbine engine having a fuel nozzle assembly11 Aug 2026US 12,704,262 B2General Electric Company
- Burner with removable shell for use in a melter26 May 2026US 12,638,175 B2Owens-Brockway Glass Container Inc.
- Mixed combustion system fueled with ammonia, hydrogen and natural gas21 Apr 2026US 12,607,348 B2Guangdong University of Technology
- Combustor with fuel plenum and extending mixing passages21 Apr 2026US 12,607,357 B2Pratt & Whitney Canada Corp.
- Stand alone copper burner panel for a metallurgical furnace14 Apr 2026US 12,601,545 B2Systems Spray-Cooled, Inc.
- Multi-mode equipment set and use thereof1 Oct 2026US 2026/0298465 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Burner module3 Sep 2026US 2026/0258944 A1Kawasaki Jukogyo Kabushiki Kaisha
- Torch assembly27 Aug 2026US 2026/0251298 A1Worthington Torch, LLC
- Torch assembly27 Aug 2026US 2026/0251299 A1Worthington Torch, LLC
- Burner system, method for operating a burner system and method for manufacturing27 Aug 2026US 2026/0251304 A1Deutsches Zentrum für Luft- und Raumfahrt e. V.
Most cited
By later US patents
- Method for reducing the flame temperature of a burner and burner intended therefor164US 5,104,310 AAGA Aktiebolag · 1992
- Low NO.sub.x burner assemblies133US 5,073,105 ACallidus Technologies, Inc. · 1991
- Constant current flame ionization circuit109US 6,509,838 B12003
- Melting of glass with staged submerged combustion107US 4,539,034 APPG Industries, Inc. · 1985
- Detonation flame arrestor including a spiral wound wedge wire screen for gases having a low MESG106US 6,699,035 B2Enardo, Inc. · 2004