F22B 21/343
The vertical radiation combustion chamber being connected at its upper part to
Official title: {the vertical radiation combustion chamber being connected at its upper part to a sidewards convection chamber}
F22B21/343 (The vertical radiation combustion chamber being connected at its upper part to) appears on 17 US grants and 13 published applications in this corpus.
Search patents in F22B- Granted patents
- 17
- Published applications
- 13
- Assignees
- 10
- Inventors
- 40
- Latest grant
- 28 Jul 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 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 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 2 | 3 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 3 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Multiple pass flexible water tube boiler28 Jul 2020US 10,724,734 B2Superior Boiler, LLC
- Arrangement and method in soda recovery boiler20 Mar 2018US 9,920,476 B2Valmet Technologies Oy
- Continuous flow steam generator with a two-pass boiler design6 Jun 2017US 9,671,105 B2Siemens Aktiengesellschaft
- Water cooled CO boiler floor with screen gas distribution inlet7 Mar 2017US 9,587,827 B2The Babcock & Wilcox Company
- Once-through steam generator21 Feb 2017US 9,574,766 B2Siemens Aktiengesellschaft
- Processes and apparatuses for heating a process fluid27 Feb 2025US 2025/0067516 A1Uop LLC
- Multiple Pass Flexible Water Tube Boiler8 Nov 2018US 2018/0320890 A1English Boiler, LLC
- Continuous flow steam generator with a two-pass boiler design23 Jun 2016US 2016/0178188 A1Siemens Aktiengesellschaft
- Once-through steam generator23 Jun 2016US 2016/0178190 A1Siemens Aktiengesellschaft
- Arrangement and method in soda recovery boiler1 Oct 2015US 2015/0275427 A1Valmet Technologies Oy
Most cited
By later US patents
- Upflow/downflow heated tube circulating system18US 5,201,282 AThe Babcock & Wilcox Company · 1993
- Single drum all-welded boiler13US 4,442,800 AThe Babcock & Wilcox Company · 1984
- Boiler8US 5,950,574 ABabcock-Hitachi Kabushiki Kaisha · 1999
- Drumless natural circulation boiler8US 6,336,429 B12002
- Reducing heat transfer surface area requirements of direct fired heaters without decreasing run length5US 7,395,785 B12008