F24H 15/235
Temperature of exhaust gases
F24H15/235 (Temperature of exhaust gases) appears on 45 US grants and 40 published applications in this corpus.
Search patents in F24H- Granted patents
- 45
- Published applications
- 40
- Assignees
- 23
- Inventors
- 79
- Latest grant
- 8 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 3 |
| 2011 | 0 | 0 |
| 2012 | 4 | 4 |
| 2013 | 1 | 4 |
| 2014 | 1 | 2 |
| 2015 | 6 | 5 |
| 2016 | 2 | 3 |
| 2017 | 3 | 3 |
| 2018 | 2 | 4 |
| 2019 | 5 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 3 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water heater with integrated building recirculation control8 Aug 2023US 11,719,444 B2Rinnai America Corporation
- Tank-based and tankless water heater systems18 Apr 2023US 11,629,884 B2Rheem Manufacturing Company
- Leakage detection in condensing water heater7 Feb 2023US 11,573,148 B2A. O. Smith Corporation
- Water heater with integrated building recirculation control12 Jul 2022US 11,384,944 B2Rinnai America Corporation
- Control system for modulating water heater23 Mar 2021US 10,955,169 B2Lochinvar, LLC
- Water heating system10 Sep 2026US 2026/0266509 A1Bradford White Corporation
- Water heater assembly having a condensate trap11 Jun 2026US 2026/0160448 A1Bradford White Corporation
- Heating medium circulation apparatus9 Apr 2026US 2026/0098663 A1Rinnai Corporation
- Water heater with integrated building recirculation control24 Nov 2022US 2022/0373192 A1Rinnai America Corporation
- Water heater with integrated building recirculation control25 Feb 2021US 2021/0055005 A1Rinnai America Corporation
Most cited
By later US patents
- Furnace monitoring system97US 4,296,727 AMicro-Burner Systems Corporation · 1981
- Fan control arrangement for a two stage furnace49US 5,027,789 AInter-City Products Corporation (USA) · 1991
- Gas vent and burner monitoring system44US 5,531,214 A1996
- Control system for modulating water heater33US 7,506,617 B2Lochinvar, LLC · 2009
- Automatic boiler damper31US 4,046,318 A1977