F24D 11/004
With conventional supplementary heat source
Official title: {with conventional supplementary heat source}
F24D11/004 (With conventional supplementary heat source) appears on 43 US grants and 88 published applications in this corpus.
Search patents in F24D- Granted patents
- 43
- Published applications
- 88
- Assignees
- 37
- Inventors
- 123
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 4 |
| 2010 | 0 | 7 |
| 2011 | 0 | 14 |
| 2012 | 1 | 12 |
| 2013 | 0 | 7 |
| 2014 | 5 | 4 |
| 2015 | 4 | 5 |
| 2016 | 3 | 1 |
| 2017 | 2 | 3 |
| 2018 | 3 | 7 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 3 |
| 2023 | 0 | 4 |
| 2024 | 2 | 12 |
| 2025 | 8 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems and apparatus to support reduced energy and water usage31 Mar 2026US 12,590,713 B2Octopus Energy Heating Limited
- System and method for hydronic distribution with submersible pumps in an unpressurized tank30 Dec 2025US 12,510,255 B2Hunt Utilities Group LLC
- Thermal energy storage concept with high energy storage density30 Sep 2025US 12,429,291 B2Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Energy bank with heat pump input circuit and hot water output circuit8 Jul 2025US 12,352,504 B2Octopus Energy Heating Limited
- Energy storage arrangement and installations20 May 2025US 12,305,930 B2Octopus Energy Heating Limited
- Expansion tank with heat accumulation16 Oct 2025US 2025/0321021 A1Zilmet S.P.A.
- Cogeneration system12 Dec 2024US 2024/0413358 A1KYOCERA Corporation
- HVAC Hydronic System with Split Buffer Tank for Zero-Mixing System Operation7 Nov 2024US 2024/0369233 A1
- Methods of configuring and controlling hot water supply installations19 Sep 2024US 2024/0310057 A1Octopus Energy Heating Limited
- Methods and systems and apparatus to support reduced energy and water usage20 Jun 2024US 2024/0201714 A1Octopus Energy Group Limited
Most cited
By later US patents