F23D 3/10
Blue-flame burners
F23D3/10 (Blue-flame burners) appears on 9 US grants and 6 published applications in this corpus.
Search patents in F23D- Granted patents
- 9
- Published applications
- 6
- Assignees
- 7
- Inventors
- 20
- Latest grant
- 20 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Combustion system including a mixing tube and a flame holder20 Feb 2024US 11,906,160 B2Clearsign Technologies Corporation
- Swirler26 Dec 2017US 9,851,098 B2Hanwha Techwin Co., Ltd.
- Jet cavity catalytic heater23 Jul 2013US 8,490,617 B2Ght Global Heating Technologies AG
- Apparatus for controlling a flame13 Mar 2007US 7,189,072 B2
- Apparatus and methods for controlling a flame24 May 2005US 6,896,510 B2
- Combustion system including a mixing tube and a flame holder7 May 2020US 2020/0141573 A1Clearsign Technologies Corporation
- Combustion apparatus18 Aug 2016US 2016/0238258 A1
- Swirler7 Jul 2016US 2016/0195266 A1Hanwha Techwin Co., Ltd.
- Jet Cavity Catalytic Heater5 Aug 2010US 2010/0192937 A1Vacca, Inc.
- Apparatus for controlling a flame23 Dec 2004US 2004/0259046 A1
Most cited
By later US patents
- Combustion cylinder construction for oil space heater6US 4,569,652 AToyotomi Kogyo Co., Ltd. · 1986
- Combustion device4US 4,396,001 AMatsushita Electric Industrial Co., Ltd. · 1983
- Heater and burner assembly therefor2US 4,621,609 A1986
- Oil fired burner2US 5,769,623 ADon Heating Products Limited · 1998
- Apparatus and methods for controlling a flame1US 6,896,510 B22005