F24H 1/287
With the fire tubes arranged in line with the combustion chamber
Official title: {with the fire tubes arranged in line with the combustion chamber}
F24H1/287 (With the fire tubes arranged in line with the combustion chamber) appears on 72 US grants and 69 published applications in this corpus.
Search patents in F24H- Granted patents
- 72
- Published applications
- 69
- Assignees
- 36
- Inventors
- 125
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 4 |
| 2010 | 1 | 3 |
| 2011 | 1 | 2 |
| 2012 | 2 | 3 |
| 2013 | 2 | 5 |
| 2014 | 6 | 6 |
| 2015 | 2 | 1 |
| 2016 | 2 | 2 |
| 2017 | 4 | 4 |
| 2018 | 2 | 5 |
| 2019 | 3 | 7 |
| 2020 | 3 | 8 |
| 2021 | 5 | 5 |
| 2022 | 6 | 7 |
| 2023 | 4 | 1 |
| 2024 | 6 | 1 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of manufacturing heat exchanger pipe21 Oct 2025US 12,449,160 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.
- Heat exchanger pipe, method of manufacturing heat exchanger pipe, heat exchanger fin, elliptical heat exchanger pipe, and hot water storage type heat exchanger having elliptical heat exchanger pipe10 Dec 2024US 12,163,695 B2
- Profile for a header of a cooler, a header having such a profile and a cooler having a header10 Sep 2024US 12,085,343 B2Hanon Systems
- Tube sheets and tube sheet assemblies10 Sep 2024US 12,085,347 B2Rheem Manufacturing Company
- Water heater15 May 2025US 2025/0155162 A1Kyungdong Navien Co., Ltd.
- Compact fluid heating system with high bulk heat flux using elevated heat exchanger pressure drop25 Apr 2024US 2024/0133586 A1Fulton Group N.A., Inc.
- Method of manufacturing heat exchanger pipe18 May 2023US 2023/0152005 A1
- Tube Sheets and Tube Sheet Assemblies3 Nov 2022US 2022/0349661 A1Rheem Manufacturing Company
- Baffles for thermal transfer devices25 Aug 2022US 2022/0268486 A1Rheem Manufacturing Company
Most cited
By later US patents
- Spiral protrusion type handle grip59US 5,890,972 A1999
- Water heating system40US 5,881,681 AAerco International, Inc. · 1999
- Energy conversion system31US 4,271,789 A1981
- Boiler for a heating system, as an article of manufacture, a boiler-heating system combination, and a method for heating a heat-transfer medium such as water in a heating system22US 4,426,037 A1984
- Gas fired modulating water heating appliance with dual combustion air premix blowers16US 8,286,594 B2Lochinvar, LLC · 2012