F24D 17/0021
With accumulation of the heated water
Official title: {with accumulation of the heated water}
F24D17/0021 (With accumulation of the heated water) appears on 95 US grants and 85 published applications in this corpus.
Search patents in F24D- Granted patents
- 95
- Published applications
- 85
- Assignees
- 58
- Inventors
- 164
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 6 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 7 |
| 2010 | 1 | 7 |
| 2011 | 2 | 7 |
| 2012 | 3 | 7 |
| 2013 | 0 | 5 |
| 2014 | 2 | 2 |
| 2015 | 9 | 10 |
| 2016 | 5 | 8 |
| 2017 | 2 | 4 |
| 2018 | 4 | 5 |
| 2019 | 4 | 3 |
| 2020 | 4 | 1 |
| 2021 | 3 | 3 |
| 2022 | 4 | 4 |
| 2023 | 0 | 0 |
| 2024 | 4 | 7 |
| 2025 | 2 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heating system9 Jun 2026US 12,650,234 B2Intellihot, Inc.
- Solar heating for refrigeration and fluid heating devices2 Dec 2025US 12,486,990 B2Lema S.R.L.
- Methods and systems and apparatus to support reduced energy and water usage22 Apr 2025US 12,281,817 B2Octopus Energy Heating Limited
- Methods and systems and apparatus to support reduced energy and water usage15 Oct 2024US 12,117,205 B2Octopus Energy Heating Limited
- Photovoltaic thermal collector adaptor30 Apr 2024US 11,973,463 B1Intellihot, Inc.
- Heating system4 Jun 2026US 2026/0153266 A1Intellihot, Inc.
- Systems and methods for providing an emergency supply of water within a dwelling26 Feb 2026US 2026/0055931 A1
- Solar heating for refrigeration and fluid heating devices26 Sep 2024US 2024/0318842 A1Wts LLC
- System and process for the targeted simultaneous use of solar radiation to generate electricity and to heat a liquid circuit19 Sep 2024US 2024/0313702 A1SolteQ GmbH
- Heating system20 Jun 2024US 2024/0200791 A1Intellihot, Inc.
Most cited
By later US patents
- Pressure transfer fluid heater30US 4,658,760 AAmerican Thermal Corporation · 1987
- Heat actuated system for circulating heat transfer fluids27US 4,552,208 A1985
- Water heater partition and method25US 4,598,694 A1986
- Refrigerant charged solar water heating structure and system23US 4,120,289 A1978
- Self pumped solar energy collection system19US 4,357,932 ACreare Inc. · 1982