F23D 14/74
Preventing flame lift-off
F23D14/74 (Preventing flame lift-off) appears on 129 US grants and 74 published applications in this corpus.
Search patents in F23D- Granted patents
- 129
- Published applications
- 74
- Assignees
- 81
- Inventors
- 265
- Latest grant
- 5 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 2 |
| 2003 | 5 | 8 |
| 2004 | 3 | 6 |
| 2005 | 6 | 5 |
| 2006 | 3 | 2 |
| 2007 | 3 | 4 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 2 | 2 |
| 2013 | 3 | 2 |
| 2014 | 2 | 2 |
| 2015 | 1 | 9 |
| 2016 | 4 | 3 |
| 2017 | 5 | 2 |
| 2018 | 2 | 8 |
| 2019 | 3 | 5 |
| 2020 | 3 | 3 |
| 2021 | 4 | 3 |
| 2022 | 2 | 0 |
| 2023 | 2 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Flame port unit structure of combustion apparatus5 Mar 2024US 11,920,783 B2Kyungdong Navien Co., Ltd.
- Flame hole unit structure of combustion apparatus26 Dec 2023US 11,852,337 B2Kyungdong Navien Co., Ltd.
- Totally aerated combustion burner14 Feb 2023US 11,578,866 B2Rinnai Corporation
- Combustion system with perforated flame holder and swirl stabilized preheating flame16 Aug 2022US 11,415,316 B2ClearSign Technologies Cosporation
- Fluidic burner with heat stability26 Apr 2022US 11,313,554 B2Praxair Technology, Inc.
- Hydrotorch assembly18 Apr 2024US 2024/0125469 A1Hho Carbon Clean Systems, LLC
- Totally Aerated Combustion Burner11 Nov 2021US 2021/0348756 A1Rinnai Corporation
- Flame port unit structure of combustion apparatus12 Aug 2021US 2021/0247067 A1Kyungdong Navien Co., Ltd.
- Burner Cap15 Jul 2021US 2021/0215343 A1Ningbo Fotile Kitchen Ware Co., Ltd.
- Flame hole unit structure of combustion apparatus3 Sep 2020US 2020/0278113 A1Kyungdong Navien Co., Ltd.
Most cited
By later US patents
- Low NO.sub.x burner assemblies133US 5,073,105 ACallidus Technologies, Inc. · 1991
- Method and device for influencing combustion processes involving combustibles71US 7,137,808 B2Siemens Aktiengesellschaft · 2006
- Method for the reduction of combustion-driven oscillations in combustion systems and premixing burner for carrying out the method63US 6,918,256 B2ALSTOM Technology Ltd · 2005
- Burner with a perforated flame holder and pre-heat apparatus52US 9,377,190 B2Clearsign Combustion Corporation · 2016
- Liquid vortex gas contactor49US 4,604,988 ABudra Research Ltd. · 1986