F24H 1/206
With submerged combustion chamber
Official title: {with submerged combustion chamber}
F24H1/206 (With submerged combustion chamber) appears on 107 US grants and 74 published applications in this corpus.
Search patents in F24H- Granted patents
- 107
- Published applications
- 74
- Assignees
- 48
- Inventors
- 186
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 8 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 3 | 2 |
| 2008 | 0 | 4 |
| 2009 | 2 | 3 |
| 2010 | 3 | 4 |
| 2011 | 0 | 2 |
| 2012 | 3 | 2 |
| 2013 | 2 | 6 |
| 2014 | 5 | 7 |
| 2015 | 2 | 1 |
| 2016 | 0 | 2 |
| 2017 | 3 | 6 |
| 2018 | 1 | 4 |
| 2019 | 8 | 7 |
| 2020 | 6 | 3 |
| 2021 | 5 | 6 |
| 2022 | 3 | 2 |
| 2023 | 1 | 4 |
| 2024 | 3 | 2 |
| 2025 | 2 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Multi-tank storage type gas water heater16 Dec 2025US 12,498,140 B2
- Compact fluid heating system with high bulk heat flux using elevated heat exchanger pressure drop1 Jul 2025US 12,345,445 B2Fulton Group N.A., Inc.
- Apparatus for heating a gas burner unit3 Sep 2024US 12,078,424 B2Noralta Technologies Inc.
- Water heater, and scale detection system and method5 Mar 2024US 11,920,923 B2A. O. Smith Corporation
- Compact fluid heating system with high bulk heat flux using elevated heat exchanger pressure drop9 Jan 2024US 11,867,427 B2Fulton Group N.A., Inc.
- Systems and Methods for Combustion Tube Assemblies for Water Heaters19 Jun 2025US 2025/0198654 A1Rheem Manufacturing Company
- Boiler and use thereof30 Jan 2025US 2025/0035338 A1La Nuova Coterm Srl
- Multi-Tank Storage Type Gas Water Heater2 Jan 2025US 2025/0003635 A1
- Apparatus for heating a gas burner unit19 Dec 2024US 2024/0418452 A1Noralta Technologies Inc.
- Compact fluid heating system with high bulk heat flux using elevated heat exchanger pressure drop25 Apr 2024US 2024/0133586 A1Fulton Group N.A., Inc.
Most cited
By later US patents
- Combustion burner for a water heater87US 6,036,480 AAOS Holding Company · 2000
- Water heater with low NO.sub.x ceramic burner67US 5,511,516 ASABH (U.S.) Water Heater Group, Inc. · 1996
- Apparatus and method for burning a combustible gas, and a heat exchanger for use in this apparatus62US 4,641,631 AColumbia Gas System Service Corporation · 1987
- Combination water heating and space heating apparatus52US 5,544,645 ALennox Industries Inc. · 1996
- Apparatus and method for burning a combustible gas, and a heat exchanger for use in this apparatus45US 4,541,410 AColumbia Gas System Service Corporation · 1985