F22B 9/12
The fire tubes being in substantially-horizontal arrangement
Official title: the fire tubes being in substantially-horizontal arrangement
F22B9/12 (The fire tubes being in substantially-horizontal arrangement) appears on 16 US grants and 14 published applications in this corpus.
Search patents in F22B- Granted patents
- 16
- Published applications
- 14
- Assignees
- 14
- Inventors
- 39
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 3 | 2 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Integrated steam generator and superheater with process gas in ammonia synloop15 Jul 2025US 12,358,803 B2Kellogg Brown & Root LLC
- Fire tube28 Jun 2022US 11,371,694 B2Trinity Endeavors, LLC
- Waste heat boiler system, mixing chamber, and method for cooling a process gas22 Sep 2020US 10,782,073 B2Technip France
- Counterflow ion transport boiler system11 Dec 2018US 10,151,474 B2King Fahd University of Petroleum and Minerals
- Fire tube boiler system with ion transport membranes10 Jul 2018US 10,018,352 B1King Fahd University of Petroleum and Minerals
- Integrated Steam Generator and Superheater with Process Gas in Ammonia Synloop3 Mar 2022US 2022/0064013 A1Kollogg Brown & Root LLC
- Fire tube17 Oct 2019US 2019/0316770 A1Trinity Endeavors, LLC
- Counterflow ion transport boiler system25 Oct 2018US 2018/0306433 A1King Fahd University of Petroleum and Minerals
- Waste heat boiler system, mixing chamber, and method for cooling a process gas15 Feb 2018US 2018/0045468 A1Technip France
- Aqueous working fluid steam generation system25 Feb 2016US 2016/0053989 A1
Most cited
By later US patents
- Fire tube boiler15US 5,437,248 AMiura Co., Ltd. · 1995
- Gas-fired steam cooker13US 4,552,123 AThermo Electron Corporation · 1985
- Pre-heater9US 4,714,050 AGarland Commercial Ranges Limited · 1987
- Self contained boiler package utilizing atmospheric fluidized bed combustion6US 4,228,767 AJohnston Boiler Company · 1980
- Firetube boiler4US 6,564,756 B12003