F24H 1/38
With water contained in separate elements
Official title: with water contained in separate elements, e.g. radiator-type element
F24H1/38 (With water contained in separate elements) appears on 31 US grants and 26 published applications in this corpus.
Search patents in F24H- Granted patents
- 31
- Published applications
- 26
- Assignees
- 23
- Inventors
- 62
- Latest grant
- 17 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 2 |
| 2017 | 0 | 4 |
| 2018 | 2 | 1 |
| 2019 | 4 | 1 |
| 2020 | 1 | 3 |
| 2021 | 1 | 3 |
| 2022 | 4 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Heating and hot water supply system17 Jan 2023US 11,555,633 B2Noritz Corporation
- Hybrid heating system16 Aug 2022US 11,415,374 B2LG Electronics Inc.
- Hybrid condensing boiler with preheater5 Jul 2022US 11,378,307 B2Enerpro, Inc.
- Heat exchanger26 Apr 2022US 11,313,585 B2Daikin Europe N.V.
- Heat exchanger26 Apr 2022US 11,313,586 B2Kyungdong Navien Co., Ltd.
- Waste heat recapture from cooking appliance27 Feb 2025US 2025/0067464 A1
- Tank and water heater28 Nov 2024US 2024/0393015 A1Mitsubishi Electric Corporation
- Double chambers boiler system with oxygen-enriched combustion28 Oct 2021US 2021/0333018 A1University of Science and Technology Beijing
- Heating and hot water supply system29 Apr 2021US 2021/0123631 A1Noritz Corporation
- Hybrid condensing boiler with preheater11 Feb 2021US 2021/0041139 A1Enerpro, Inc.
Most cited
By later US patents
- Biomass-fueled furnace17US 4,559,882 A1985
- Gas- or liquid-fired hot water boiler16US 4,432,307 ASociete Industrielle Auer · 1984
- Heat exchanger for space heaters12US 4,344,411 A1982
- Latent-heat exchanger for hot-water heating and condensing gas boiler including same8US 10,605,484 B2Kyungdong Navien Co., Ltd. · 2020
- Fluid heater with spiral hot gas flow8US 4,357,909 A1982