F22B 37/148
Tube arrangements for the roofs
Official title: {Tube arrangements for the roofs}
F22B37/148 (Tube arrangements for the roofs) appears on 5 US grants and 1 published applications in this corpus.
Search patents in F22B- Granted patents
- 5
- Published applications
- 1
- Assignees
- 4
- Inventors
- 7
- Latest grant
- 26 May 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 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 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Evaporator surface structure of a circulating fluidized bed boiler and a circulating fluidized bed boiler with such an evaporator surface structure26 May 2015US 9,038,577 B1Foster Wheeler Energia Oy
- Boiler apparatus7 Jun 2011US 7,954,460 B2Babcock-Hitachi Kabushiki Kaisha
- Once-through steam generator furnace outlet fluid mix to minimize the number of headers and riser materials23 Sep 1997US 5,669,333 AThe Babcock & Wilcox Company
- Heat exchanger having a gas flue15 Oct 1985US 4,546,731 ASulzer Brothers Limited
- Single drum all-welded boiler17 Apr 1984US 4,442,800 AThe Babcock & Wilcox Company
Most cited
By later US patents
- Single drum all-welded boiler13US 4,442,800 AThe Babcock & Wilcox Company · 1984
- Evaporator surface structure of a circulating fluidized bed boiler and a circulating fluidized bed boiler with such an evaporator surface structure5US 9,038,577 B1Foster Wheeler Energia Oy · 2015
- Heat exchanger having a gas flue4US 4,546,731 ASulzer Brothers Limited · 1985
- Boiler apparatus3US 7,954,460 B2Babcock-Hitachi Kabushiki Kaisha · 2011