F23D 2900/11403
Flame surrounding tubes in front of burner nozzle
F23D2900/11403 (Flame surrounding tubes in front of burner nozzle) appears on 18 US grants and 23 published applications in this corpus.
Search patents in F23D- Granted patents
- 18
- Published applications
- 23
- Assignees
- 22
- Inventors
- 67
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 2 | 0 |
| 2017 | 3 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 4 |
| 2025 | 1 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Fuel gas and oxygen burner9 Jan 2024US 11,866,361 B2Honeywell International Inc.
- Vehicle heater26 Apr 2022US 11,312,209 B2Eberspächer Climate Control Systems GmbH & Co. KG
- Burner29 Aug 2017US 9,746,175 B2Hino Motors, Ltd.
- Fuel combustion system23 May 2017US 9,657,938 B2
- Propane grill with convection system11 Jun 2026US 2026/0157568 A1
- Burner device18 Dec 2025US 2025/0383082 A2Dürr Systems AG
- Device and apparatus for heating a flow of hydrogen4 Dec 2025US 2025/0369610 A1ROLLS-ROYCE plc
- Burner device19 Jun 2025US 2025/0198617 A1Dürr Systems AG
- Flame tube for improved uniformity of the radiant tube temperature20 Mar 2025US 2025/0093026 A1Honeywell International Inc.
Most cited
By later US patents
- System for producing a single coherent jet15US 6,139,310 APraxair Technology, Inc. · 2000
- Spray type combustion device13US 4,427,367 ANissan Motor Co., Ltd. · 1984
- Burner nozzle with curved head11US 6,478,577 B1Beckett Gas, Inc. · 2002
- Method and apparatus for transversely staged combustion utilizing forced internal recirculation10US 6,672,859 B1Gas Technology Institute · 2004
- Boiler fitted with a burner8US 6,305,331 B1VTH AG Verfahrenstechnik fur Heizung · 2001