F24H 15/365
Of two or more burners
Official title: of two or more burners, e.g. an array of burners
F24H15/365 (Of two or more burners) appears on 39 US grants and 46 published applications in this corpus.
Search patents in F24H- Granted patents
- 39
- Published applications
- 46
- Assignees
- 21
- Inventors
- 80
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 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 | 1 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 0 |
| 2017 | 1 | 9 |
| 2018 | 2 | 5 |
| 2019 | 7 | 1 |
| 2020 | 5 | 1 |
| 2021 | 2 | 5 |
| 2022 | 5 | 4 |
| 2023 | 2 | 3 |
| 2024 | 1 | 4 |
| 2025 | 1 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Boiler and method for stage change control thereof26 May 2026US 12,638,192 B2Kyungdong Navien Co., Ltd.
- Linked hot water supply system31 Mar 2026US 12,590,710 B2Noritz Corporation
- Portable water heater26 Aug 2025US 12,398,918 B2Zhongshan Powtek Appliances Mfg., Ltd.
- Hybrid tank and tankless water heating system29 Oct 2024US 12,130,053 B2Rinnai America Corporation
- Hot water supply device, hot water supply program, hot water supply method, and recording medium26 Dec 2023US 11,852,341 B2Purpose Co., Ltd.
- Hybrid duct device for heating an air flow16 Jul 2026US 2026/0202092 A1Fives Itas S.P.A.
- Gas water heating device and control method thereof18 Jun 2026US 2026/0168702 A1A. O. Smith Corporation
- System and method for determining heat transfer capacity of an indirect water heater20 Nov 2025US 2025/0354722 A1Laars Heating Systems Company
- Water heater connection system28 Aug 2025US 2025/0271177 A1Rinnai Corporation
- Hot water supply system31 Oct 2024US 2024/0361039 A1Noritz Corporation
Most cited
By later US patents
- Water heater unit33US 6,606,968 B2Takagi Industrial Co., Ltd. · 2003
- Vent overpressurization detection system for a fuel-fired, induced draft furnace26US 4,951,651 ARheem Manufacturing Company · 1990
- Water heater17US 8,267,051 B2Rinnai Corporation · 2012
- Air heater, especially for connection to a central heating system16US 3,935,855 AN.V. Werktuigenfabrieke Mulder · 1976
- Combustion apparatus13US 9,291,364 B2Noritz Corporation · 2016