F24H 1/205
With furnace tubes
Official title: {with furnace tubes}
F24H1/205 (With furnace tubes) appears on 406 US grants and 299 published applications in this corpus.
Search patents in F24H- Granted patents
- 406
- Published applications
- 299
- Assignees
- 141
- Inventors
- 592
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 11 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 14 | 0 |
| 1991 | 6 | 0 |
| 1992 | 1 | 0 |
| 1993 | 9 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 10 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 17 | 0 |
| 2001 | 11 | 6 |
| 2002 | 11 | 7 |
| 2003 | 18 | 11 |
| 2004 | 9 | 7 |
| 2005 | 13 | 10 |
| 2006 | 10 | 15 |
| 2007 | 9 | 15 |
| 2008 | 11 | 13 |
| 2009 | 6 | 16 |
| 2010 | 13 | 17 |
| 2011 | 5 | 8 |
| 2012 | 7 | 11 |
| 2013 | 4 | 13 |
| 2014 | 8 | 14 |
| 2015 | 11 | 7 |
| 2016 | 7 | 10 |
| 2017 | 7 | 20 |
| 2018 | 11 | 13 |
| 2019 | 21 | 20 |
| 2020 | 13 | 17 |
| 2021 | 20 | 14 |
| 2022 | 10 | 11 |
| 2023 | 9 | 6 |
| 2024 | 8 | 6 |
| 2025 | 6 | 8 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat exchanger baffles and methods for manufacturing the same19 May 2026US 12,631,409 B2Bradford White Corporation
- Multi-tank storage type gas water heater16 Dec 2025US 12,498,140 B2
- Modular reversible water heater design26 Aug 2025US 12,398,924 B1
- Gas control system12 Aug 2025US 12,385,668 B2Marlin Gas Services, LLC
- Systems for water heater baffles on recreational vehicles8 Jul 2025US 12,352,439 B2Haier US Appliance Solutions, Inc.
- Baffle for condensing flue tubes within a water heating appliance8 Oct 2026US 2026/0309367 A1Bradford White Corporation
- Gas-electric hybrid storage water heater14 May 2026US 2026/0132937 A1Zhongshan Powtek Appliances Mfg., Ltd.
- Water heater and methods for manufacturing the same19 Mar 2026US 2026/0078926 A1Bradford White Corporation
- Heater Exchanger for Water Heaters26 Feb 2026US 2026/0055927 A1Rheem Manufacturing Company
- Water heater with intermittent pilot and damper control11 Dec 2025US 2025/0377098 A1Bradford White Corporation
Most cited
By later US patents
- Control system for a water heater150US 5,797,358 AAOS Holding Company · 1998
- Combustion burner for a water heater87US 6,036,480 AAOS Holding Company · 2000
- Water heater with integral burner71US 5,355,841 ASABH (U.S.) Water Heater Group, Inc. · 1994
- 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