F23D 2900/00012
Liquid or gas fuel burners with flames spread over a flat surface
Official title: Liquid or gas fuel burners with flames spread over a flat surface, either premix or non-premix type, e.g. "Flächenbrenner"
F23D2900/00012 (Liquid or gas fuel burners with flames spread over a flat surface) appears on 51 US grants and 28 published applications in this corpus.
Search patents in F23D- Granted patents
- 51
- Published applications
- 28
- Assignees
- 32
- Inventors
- 113
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 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 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 4 |
| 2010 | 1 | 5 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 4 | 0 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 3 | 0 |
| 2018 | 1 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 2 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Burner and method for transient heating6 Jan 2026US 12,516,809 B2Air Products and Chemicals, Inc.
- Double-staged oxy-fuel burner10 Mar 2020US 10,584,051 B2Air Products and Chemicals, Inc.
- Water heater17 Dec 2019US 10,508,829 B2Rinnai Corporation
- Surface combustion gas burner6 Feb 2018US 9,885,476 B2Sermeta
- Flat-flame nozzle for burner26 Dec 2017US 9,851,099 B2Honeywell International Inc.
- Fishtail flame burner assembly12 Jun 2025US 2025/0189123 A1Selas Heat Technology Company LLC
- Monitoring a flame treatment device15 Aug 2024US 2024/0271871 A1Singulus Technologies AG
- Burner and method for transient heating4 Jan 2024US 2024/0003539 A1Air Products and Chemicals, Inc.
- Heating Apparatus, Recreational Vehicle With Heating Apparatus and Method for Heating Fluids in a Recreational Vehicle15 Jun 2023US 2023/0182528 A1
- Portable hot air generator apparatus comprising a damping system31 Mar 2022US 2022/0099292 A1Sefmat
Most cited
By later US patents
- Method and device for low-NO.sub.x high efficiency heating in high temperature furnaces100US 5,575,637 AAir Products and Chemicals, Inc. · 1996
- Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams96US 5,975,886 AAmerican Air Liquide, Inc. · 1999
- Method and apparatus for injecting fuel and oxidant into a combustion burner94US 5,545,031 ACombustion Tec, Inc. · 1996
- Fuel burner apparatus and method employing divergent flow nozzle91US 5,299,929 AThe BOC Group, Inc. · 1994
- Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams89US 5,833,447 AAmerican Air Liquide, Inc. · 1998