F22B 21/081
Involving a combustion chamber, placed at the side and built-up from water
Official title: {involving a combustion chamber, placed at the side and built-up from water tubes}
F22B21/081 (Involving a combustion chamber, placed at the side and built-up from water) appears on 6 US grants and 4 published applications in this corpus.
Search patents in F22B- Granted patents
- 6
- Published applications
- 4
- Assignees
- 7
- Inventors
- 14
- Latest grant
- 12 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Package boiler with tandem furnace tubes12 Apr 2022US 11,300,285 B2Superior Boiler, LLC
- Integrated boiler burner with balanced heat flux1 Aug 2000US 6,095,096 AThe Babcock & Wilcox Company
- Heating equipment for an installation using steam and heated gas20 Dec 1983US 4,421,065 ACreusot-Loire
- Water-tube boiler16 Oct 1979US 4,170,964 AThe Trane Company
- Heated enclosures28 Mar 1978US 4,080,933 AFoster Wheeler Energy Corporation
- Package boiler with tandem furnace tubes22 Aug 2019US 2019/0257514 A1Superior Boiler, LLC
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Most cited
By later US patents
- Coal fired package boiler4US 3,971,345 ADeltak Corporation · 1976
- Water-tube boiler4US 4,170,964 AThe Trane Company · 1979
- Heating equipment for an installation using steam and heated gas3US 4,421,065 ACreusot-Loire · 1983
- Integrated boiler burner with balanced heat flux3US 6,095,096 AThe Babcock & Wilcox Company · 2000