F22B 9/08
The fire tubes being in horizontal arrangement
Official title: the fire tubes being in horizontal arrangement
F22B9/08 (The fire tubes being in horizontal arrangement) appears on 5 US grants and 8 published applications in this corpus.
Search patents in F22B- Granted patents
- 5
- Published applications
- 8
- Assignees
- 6
- Inventors
- 18
- Latest grant
- 19 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Burner with adjustable end cap and method of operating same19 Mar 2024US 11,933,491 B2Cleaver-Brooks, Inc.
- Fire tube28 Jun 2022US 11,371,694 B2Trinity Endeavors, LLC
- Gas fired humidifier10 Sep 2002US 6,446,877 B1Armstrong International, Inc.
- Furnace, especially a coal burning furnace, and method of operation16 May 1978US 4,089,278 A
- Multi-section heat exchanger means12 Jul 1977US 4,034,717 AHeater Technology, Inc.
- Apparatus for Firetube Boiler and Ultra Low NOx Burner7 Jan 2021US 2021/0003277 A1
- Burner with Adjustable End Cap and Method of Operating Same24 Oct 2019US 2019/0323706 A1Cleaver-Brooks, Inc.
- Fire tube17 Oct 2019US 2019/0316770 A1Trinity Endeavors, LLC
- Burner with Adjustable End Cap and Method of Operating Same7 Dec 2017US 2017/0350589 A1Cleaver-Brooks, Inc.
- Pulse Detonation Combustor Heat Exchanger16 Aug 2012US 2012/0204814 A1General Electric Company
Most cited
By later US patents