F22B 21/346
Horizontal radiation boilers
Official title: {Horizontal radiation boilers}
F22B21/346 (Horizontal radiation boilers) appears on 21 US grants and 15 published applications in this corpus.
Search patents in F22B- Granted patents
- 21
- Published applications
- 15
- Assignees
- 13
- Inventors
- 37
- Latest grant
- 1 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 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 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 5 | 6 |
| 2003 | 3 | 0 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and methods for Utilizing flue gas1 Nov 2022US 11,486,572 B2Suncoke Technology and Development LLC
- Boiler system comprising an integrated economizer5 Feb 2019US 10,197,266 B2Thermodesign, Inc.
- Boiler with improved hot gas passages2 Aug 2016US 9,404,650 B2
- Package boiler having steam generating units in tandem9 Oct 2012US 8,281,752 B2
- Compact high-efficiency boiler and method for producing steam26 Feb 2008US 7,334,542 B2UNILUX Advanced Manufacturing, Inc.
- Systems and methods for utilizing flue gas17 Aug 2023US 2023/0258326 A1Suncoke Technology and Development LLC
- Multi-tube once-through boiler2 Jun 2022US 2022/0170626 A1
- Systems and methods for utilizing flue gas2 Jul 2020US 2020/0208833 A1Suncoke Technology and Development LLC
- Boiler System Comprising an Integrated Economizer17 Dec 2015US 2015/0362176 A1Thermodesign, Inc.
- Package boiler having steam generating units in tandem6 Jan 2011US 2011/0000445 A1
Most cited
By later US patents
- Low NOx boiler16US 5,067,419 AHitachi Babcock Kabushiki-kaisha · 1991
- Systems and methods for Utilizing flue gas13US 11,486,572 B2Suncoke Technology and Development LLC · 2022
- Boiler design11US 5,353,749 AZurn Industries, LLC · 1994
- Fossil-fuel heated steam generator, comprising dentrification device for heating gas11US 6,536,380 B1Siemens Aktiengesellschaft · 2003
- Compact high efficiency gas fired steam generator-humidifier9US 7,281,498 B22007