F24H 1/208
With tubes filled with heat transfer fluid
Official title: {with tubes filled with heat transfer fluid}
F24H1/208 (With tubes filled with heat transfer fluid) appears on 80 US grants and 86 published applications in this corpus.
Search patents in F24H- Granted patents
- 80
- Published applications
- 86
- Assignees
- 65
- Inventors
- 214
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 4 |
| 2010 | 1 | 2 |
| 2011 | 4 | 6 |
| 2012 | 2 | 4 |
| 2013 | 0 | 4 |
| 2014 | 2 | 9 |
| 2015 | 0 | 7 |
| 2016 | 3 | 4 |
| 2017 | 6 | 3 |
| 2018 | 2 | 4 |
| 2019 | 4 | 7 |
| 2020 | 5 | 5 |
| 2021 | 4 | 3 |
| 2022 | 6 | 7 |
| 2023 | 2 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 3 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Indirect water heater24 Jun 2025US 12,339,037 B2
- Water heater, and scale detection system and method5 Mar 2024US 11,920,923 B2A. O. Smith Corporation
- Retrofit cover plate and assembly to adapt alternative energy supplies to electric water heaters26 Dec 2023US 11,852,380 B2Giant Factories Inc.
- Waste-heat recovery system in oil-cooled gas compressor21 Nov 2023US 11,821,657 B2Hitachi Industrial Equipment Systems Co., Ltd.
- Gas furnace to produce heated air and optionally hot water via a bypass pipe15 Nov 2022US 11,499,750 B2LG Electronics Inc.
- Water heater tank assembly and water heater28 May 2026US 2026/0146765 A1Wuhu Midea Smart Kitchen Appliance Manufacturing Co., Ltd.
- Water heater and methods for manufacturing the same19 Mar 2026US 2026/0078926 A1Bradford White Corporation
- Water tank assembly and gas water heater12 Feb 2026US 2026/0043583 A1Guangdong Midea Kitchen and Bath Appliances Mfg. Co., Ltd.
- Solar heating system for tanked asphalt29 Jan 2026US 2026/0029160 A1Henan Agricultural University
- Indirect Water Heater18 Sep 2025US 2025/0290666 A1
Most cited
By later US patents
- Solar water tank and method of making same27US 4,296,799 A1981
- Water heater temperature control system25US 4,305,547 AAerco International, Inc. · 1981
- Back-up heater25US 5,660,165 ABradford White Corporation · 1997
- Double wall tubing assembly and method of making same21US 4,343,350 AUop LLC · 1982
- Electrically heated liquid tank employing heat pipe heat transfer means19US 4,131,785 AElectro-Therm, Inc. · 1978