F23C 2203/20
Flame cooling methods otherwise than by staging or recirculation: using heat absorbing
Official title: using heat absorbing device in flame (F23C2203/10 takes precedence)
F23C2203/20 (Flame cooling methods otherwise than by staging or recirculation: using heat absorbing) appears on 38 US grants and 20 published applications in this corpus.
Search patents in F23C- Granted patents
- 38
- Published applications
- 20
- Assignees
- 19
- Inventors
- 69
- Latest grant
- 9 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 5 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 5 | 3 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Burner and burner system with flange mount9 Apr 2024US 11,953,199 B2Clearsign Technologies Corporation
- Plug and play burner26 Apr 2022US 11,313,553 B2Clearsign Technologies Corporation
- Porous flame holder for low NOx combustion29 Jun 2021US 11,047,572 B2Clearsign Technologies Corporation
- Horizontally fired burner with a perforated flame holder29 Oct 2019US 10,458,649 B2Clearsign Combustion Corporation
- Method for low NOx fire tube boiler23 Jul 2019US 10,359,213 B2Clearsign Combustion Corporation
- Methods for chemical process heating with carbon capture11 Apr 2024US 2024/0116757 A1Ohio State Innovation Foundation
- Burner and burner system with flange mount22 Sep 2022US 2022/0299203 A1Clearsign Technologies Corporation
- Perforated flame holder with gaps between tile groups10 Jan 2019US 2019/0011123 A1Clearsign Combustion Corporation
- Burner plates and burner apparatus9 Aug 2018US 2018/0224120 A1
- Low nox fire tube boiler12 Jan 2017US 2017/0010019 A1Clearsign Combustion Corporation
Most cited
By later US patents
- Low emission combustion system58US 5,848,887 ACarrier Corporation · 1998
- Heat distributing wave tray for a grill26US 8,037,879 B2Whirlpool Corporation · 2011
- Combustion method and apparatus for NOx reduction24US 6,875,009 B2Miura Co., Ltd. · 2005
- Fluidic burner22US 5,448,969 ABowles Fluidics Corporation · 1995
- Low NO.sub.x gas burner22US 5,913,675 AState Industries, Inc. · 1999