F23D 23/00
Assemblies of two or more burners
Official title: Assemblies of two or more burners (gas burners with provision for a retention flame F23D14/26)
F23D23/00 (Assemblies of two or more burners) appears on 244 US grants and 212 published applications in this corpus.
Search patents in F23D- Granted patents
- 244
- Published applications
- 212
- Assignees
- 151
- Inventors
- 620
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 12 | 0 |
| 1999 | 16 | 0 |
| 2000 | 13 | 0 |
| 2001 | 6 | 1 |
| 2002 | 3 | 0 |
| 2003 | 2 | 2 |
| 2004 | 2 | 4 |
| 2005 | 3 | 5 |
| 2006 | 2 | 3 |
| 2007 | 0 | 5 |
| 2008 | 2 | 2 |
| 2009 | 3 | 4 |
| 2010 | 1 | 8 |
| 2011 | 3 | 6 |
| 2012 | 5 | 11 |
| 2013 | 5 | 6 |
| 2014 | 5 | 14 |
| 2015 | 12 | 13 |
| 2016 | 4 | 15 |
| 2017 | 8 | 19 |
| 2018 | 12 | 8 |
| 2019 | 10 | 11 |
| 2020 | 11 | 12 |
| 2021 | 13 | 13 |
| 2022 | 10 | 7 |
| 2023 | 7 | 14 |
| 2024 | 8 | 14 |
| 2025 | 1 | 10 |
| 2026 | 13 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Convection conveyor oven manifold and damper system22 Sep 2026US 12,742,546 B2The Middleby Corporation
- Gas burner assembly for a cooktop appliance8 Sep 2026US 12,729,850 B2Haier US Appliance Solutions, Inc.
- Combustible waste treatment method8 Sep 2026US 12,729,852 B2Taiheiyo Cement Corporation
- Furnace for implementing an endothermic process11 Aug 2026US 12,704,257 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Burner with alternate modes for flexible operation21 Jul 2026US 12,687,293 B2Praxair Technology, Inc.
- Dual-burner firepit20 Aug 2026US 2026/0243434 A1
- System and method for platinum free melting of high index glasses23 Jul 2026US 2026/0209100 A1Corning Incorporated
- Combustion furnace and assembly2 Apr 2026US 2026/0092703 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Gas burner unit and heat-cooking apparatus provided with the same19 Feb 2026US 2026/0049714 A1Rinnai Corporation
- Gas turbine engine including fuel injector29 Jan 2026US 2026/0029126 A1General Electric Company
Most cited
By later US patents
- Gas turbine ultra low NOx combustor149US 5,361,586 AWestinghouse Electric Corp. · 1994
- Dual fuel ultra-low NOX combustor144US 5,359,847 AWestinghouse Electric Corp. · 1994
- Gas turbine ultra low NOx combustor123US 5,713,206 AWestinghouse Electric Corp. · 1998
- Gas turbine fuel injector115US 6,289,677 B1Pratt & Whitney Canada Corp. · 2001
- Center burner in a multi-burner combustor111US 5,924,275 AGeneral Electric Company · 1999