F23D 2900/00013
With means for spreading the flame in a fan or fishtail shape
Official title: with means for spreading the flame in a fan or fishtail shape over a melting bath
F23D2900/00013 (With means for spreading the flame in a fan or fishtail shape) appears on 35 US grants and 14 published applications in this corpus.
Search patents in F23D- Granted patents
- 35
- Published applications
- 14
- Assignees
- 18
- Inventors
- 50
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 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 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- Flat-flame nozzle for burner26 Dec 2017US 9,851,099 B2Honeywell International Inc.
- Method for generating combustion by means of a burner assembly and burner assembly therefore16 May 2017US 9,651,248 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Multi-mode combustion device and method for using the device20 May 2014US 8,727,767 B2Air Products and Chemicals, Inc.
- Fishtail flame burner assembly12 Jun 2025US 2025/0189123 A1Selas Heat Technology Company LLC
- Burner and method for transient heating4 Jan 2024US 2024/0003539 A1Air Products and Chemicals, Inc.
- Portable hot air generator apparatus comprising a damping system31 Mar 2022US 2022/0099292 A1Sefmat
- Method and burner assembly for combusting a fuel gas with an oxidant30 Jul 2020US 2020/0240634 A1Messer Industries USA, Inc.
- Double-Staged Oxy-Fuel Burner23 Aug 2018US 2018/0237323 A1Air Products and Chemicals, Inc.
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