F24H 1/0036
Of the sealed type
Official title: {of the sealed type}
F24H1/0036 (Of the sealed type) appears on 23 US grants and 31 published applications in this corpus.
Search patents in F24H- Granted patents
- 23
- Published applications
- 31
- Assignees
- 15
- Inventors
- 77
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 4 |
| 2017 | 3 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 4 |
| 2022 | 3 | 3 |
| 2023 | 2 | 2 |
| 2024 | 1 | 1 |
| 2025 | 5 | 4 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Combustion chamber and gas apparatus14 Oct 2025US 12,442,531 B2Midea Group Co., Ltd.
- Heating device with improved efficiency2 Sep 2025US 12,405,010 B2Suter Entfeuchtungstechnik AG
- Condensing heat exchanger and water heater having same26 Aug 2025US 12,398,923 B2A. O. Smith (China) Water Heater Company Ltd.
- Heat-exchange pipe, heat-exchanger unit using same, and condensing boiler using same3 Jun 2025US 12,320,550 B2Kyungdong Navien Co., Ltd.
- Tankless water heater connector21 Jan 2025US 12,203,682 B2Rheem Manufacturing Company
- Premixing device and combustion device comprising same8 Oct 2026US 2026/0309326 A1Noritz Corporation
- Burner and water heating apparatus including the same2 Jul 2026US 2026/0185739 A1Kyungdong Navien Co., Ltd.
- Exhaust adapter26 Mar 2026US 2026/0085834 A1Rinnai Corporation
- Low gas pressure detection and compensation operation method of gas water heater18 Dec 2025US 2025/0383087 A1
- Water heater24 Jul 2025US 2025/0237384 A1Kyungdong Navien Co., Ltd.
Most cited
By later US patents
- Combined solar and gas heater8US 5,586,549 AThermacore, Inc. · 1996
- Reservoir type water heating device6US 4,253,426 AMitsubishi Denki Kabushiki Kaisha · 1981
- Fluid heater with perforated flame holder4US 9,885,496 B2Clearsign Combustion Corporation · 2018
- Heat conducting assembly for a water heater, and method for making the heat conducting assembly3US 7,319,814 B22008
- Circulating-type hot-water supply device3US 9,228,759 B2Rinnai Corporation · 2016