F24H 1/30
The water mantle being built up from sections
Official title: the water mantle being built up from sections
F24H1/30 (The water mantle being built up from sections) appears on 55 US grants and 54 published applications in this corpus.
Search patents in F24H- Granted patents
- 55
- Published applications
- 54
- Assignees
- 31
- Inventors
- 80
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 4 |
| 2012 | 1 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 4 |
| 2015 | 0 | 3 |
| 2016 | 0 | 3 |
| 2017 | 1 | 4 |
| 2018 | 6 | 10 |
| 2019 | 6 | 8 |
| 2020 | 7 | 1 |
| 2021 | 4 | 2 |
| 2022 | 3 | 4 |
| 2023 | 4 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Heat exchanger unit17 Jun 2025US 12,331,959 B2Kyungdong Navien Co., Ltd.
- Heat exchanger unit and method for manufacturing the same29 Oct 2024US 12,130,052 B2Kyungdong Navien Co., Ltd.
- Heat exchanger unit23 Jan 2024US 11,879,666 B2Kyungdong Navien Co., Ltd.
- Heat exchanger unit5 Dec 2023US 11,835,261 B2Kyungdong Navien Co., Ltd.
- Heat exchanger unit5 Dec 2023US 11,835,262 B2Kyungdong Navien Co., Ltd.
- Heat exchanger unit4 Sep 2025US 2025/0277602 A1Kyungdong Navien Co., Ltd.
- Water heater15 May 2025US 2025/0155162 A1Kyungdong Navien Co., Ltd.
- Heat exchanger unit and method for manufacturing the same17 Oct 2024US 2024/0344738 A1Kyungdong Navien Co., Ltd.
- Heat exchanger unit and condensing boiler using the same18 May 2023US 2023/0152007 A1Kyungdong Navien Co., Ltd.
- Heat exchanger unit and condensing boiler using the same14 Jul 2022US 2022/0221190 A1Kyungdong Navien Co., Ltd.
Most cited
By later US patents
- Hot water boiler25US 4,356,794 ATricentrol Benelux B.V. · 1982
- Premix boiler construction17US 5,203,689 AThe Marley Company · 1993
- Hot-water boiler, for instance a central heating boiler, and a metal casting therefor11US 4,282,833 AMetaalgieterij G. Giesen, B.V. · 1981
- Heat exchanger for condensing gas boiler9US 10,126,014 B2Kyungdong Navien Co., Ltd. · 2018
- Premix boiler construction8US 5,109,806 AThe Marley Company · 1992