F24D 3/08
In combination with systems for domestic hot-water supply
Official title: in combination with systems for domestic hot-water supply
F24D3/08 (In combination with systems for domestic hot-water supply) appears on 263 US grants and 337 published applications in this corpus.
Search patents in F24D- Granted patents
- 263
- Published applications
- 337
- Assignees
- 173
- Inventors
- 603
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 4 |
| 2003 | 3 | 8 |
| 2004 | 4 | 3 |
| 2005 | 0 | 10 |
| 2006 | 6 | 2 |
| 2007 | 5 | 11 |
| 2008 | 1 | 8 |
| 2009 | 0 | 15 |
| 2010 | 4 | 12 |
| 2011 | 2 | 19 |
| 2012 | 6 | 14 |
| 2013 | 7 | 10 |
| 2014 | 13 | 9 |
| 2015 | 11 | 24 |
| 2016 | 7 | 12 |
| 2017 | 16 | 19 |
| 2018 | 14 | 26 |
| 2019 | 16 | 7 |
| 2020 | 11 | 20 |
| 2021 | 24 | 24 |
| 2022 | 14 | 12 |
| 2023 | 15 | 8 |
| 2024 | 7 | 23 |
| 2025 | 4 | 25 |
| 2026 | 13 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Integrated heating system using a Stirling heat pump18 Aug 2026US 12,710,202 B2Trane International Inc.
- System and method for providing domestic hot water and/or space heating within a building, and a removable cover of a storage vessel19 May 2026US 12,631,345 B2Mitsubishi Electric Corporation
- Electric boiler device based on utilization of residual energy of elevator, and control method19 May 2026US 12,631,346 B2Zhejiang University of Technology
- Methods and systems for modulating energy usage12 May 2026US 12,624,861 B2Octopus Energy Heating Limited
- Multi-energy coupled cooling/heating system for buildings in long-term cooling region and operation method21 Apr 2026US 12,607,389 B2North China Municipal Engineering Design & Research Institute Co., Ltd.
- Energy buffering using a heat pump8 Oct 2026US 2026/0309339 A1Mixergy Limited
- Water heating system and device8 Oct 2026US 2026/0309340 A1Mixergy Limited
- Heating installation1 Oct 2026US 2026/0298483 A1Energy Machines ApS
- Heating Circuit and Degassing Device17 Sep 2026US 2026/0276214 A1Viessmann Holding International GmbH
- Method for providing cooled air20 Aug 2026US 2026/0243457 A1
Most cited
By later US patents
- Utilities container82US 6,393,775 B12002
- Three function heat pump system77US 4,693,089 APhenix Heat Pump Systems, Inc. · 1987
- C-faced heating pump69US 5,957,122 AHydro Dynamics, Inc. · 1999
- Combined heating and hot water system55US 6,612,267 B1Vebteck Research Inc. · 2003
- Utilities container47US 6,688,048 B22004