F24D 17/00
Domestic hot-water supply systems
F24D17/00 (Domestic hot-water supply systems) appears on 1,113 US grants and 1,246 published applications in this corpus.
Search patents in F24D- Granted patents
- 1,113
- Published applications
- 1,246
- Assignees
- 552
- Inventors
- 2,269
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 12 | 0 |
| 1979 | 17 | 0 |
| 1980 | 18 | 0 |
| 1981 | 26 | 0 |
| 1982 | 26 | 0 |
| 1983 | 26 | 0 |
| 1984 | 13 | 0 |
| 1985 | 26 | 0 |
| 1986 | 17 | 0 |
| 1987 | 20 | 0 |
| 1988 | 13 | 0 |
| 1989 | 5 | 0 |
| 1990 | 16 | 0 |
| 1991 | 9 | 0 |
| 1992 | 12 | 0 |
| 1993 | 11 | 0 |
| 1994 | 14 | 0 |
| 1995 | 3 | 0 |
| 1996 | 15 | 0 |
| 1997 | 7 | 0 |
| 1998 | 18 | 0 |
| 1999 | 9 | 0 |
| 2000 | 11 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 6 |
| 2003 | 7 | 8 |
| 2004 | 4 | 14 |
| 2005 | 9 | 20 |
| 2006 | 13 | 17 |
| 2007 | 7 | 22 |
| 2008 | 7 | 30 |
| 2009 | 4 | 36 |
| 2010 | 17 | 61 |
| 2011 | 13 | 71 |
| 2012 | 25 | 72 |
| 2013 | 18 | 67 |
| 2014 | 18 | 61 |
| 2015 | 54 | 66 |
| 2016 | 55 | 55 |
| 2017 | 38 | 48 |
| 2018 | 62 | 68 |
| 2019 | 46 | 52 |
| 2020 | 50 | 72 |
| 2021 | 54 | 69 |
| 2022 | 56 | 69 |
| 2023 | 53 | 55 |
| 2024 | 59 | 95 |
| 2025 | 51 | 74 |
| 2026 | 33 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F24D 17/02Domestic hot-water supply systems: using heat pumps356
- F24D 17/0078Recirculation systems232
- F24D 17/0005Domestic hot-water supply systems: using recuperation of waste heat150
- F24D 17/0026Domestic hot-water supply systems: with conventional heating means148
- F24D 17/0036Domestic hot-water supply systems: with combination of different kinds of heating means141
- F24D 17/0015Domestic hot-water supply systems: using solar energy110
- F24D 17/0073Arrangements for preventing the occurrence or proliferation of microorganisms in the water100
- F24D 17/0089Additional heating means54
All 9 subgroupsShow fewer
Recent patents
- Hot flushing of building water system6 Oct 2026US 12,753,585 B2Magarl, LLC
- Electronic faucet, method of coupling between a source of conditioned water or fluid and a faucet and method for controlling an electronic faucet6 Oct 2026US 12,753,587 B2Gessi S.P.A.
- Storage water heater equipped with at least one auxiliary heater and a circulator29 Sep 2026US 12,747,869 B2
- Method for operating a temperature-controlled circulation system and temperature-controlled circulation system8 Sep 2026US 12,729,518 B2Ltz—Zentrum FüR Luft—Und Trinkwasserhygiene GmbH
- Machine learning of heat pump system water usage patterns for optimized heat pump performance1 Sep 2026US 12,723,778 B2Bradford White Corporation
- Water heating system and device8 Oct 2026US 2026/0309340 A1Mixergy Limited
- Systems and methods for integrating a water heating unit and a heat pump1 Oct 2026US 2026/0298484 A1
- Systems and methods for integrating a water heating unit and a heat pump1 Oct 2026US 2026/0298485 A1
- Machine learning of heat pump system water usage patterns for optimized heat pump performance1 Oct 2026US 2026/0298499 A1Bradford White Corporation
- Electric hot water micro-tank preheater unit10 Sep 2026US 2026/0266476 A1
Most cited
By later US patents
- Fluid and gas supply system317US 6,286,764 B12001
- Water heater controller140US 5,056,712 A1991
- Recirculation hot water system96US 5,205,318 ASjoberg Industries, Inc. · 1993
- Residential hot water circulation system and associated method82US 5,829,467 A1998
- Electric power demand limit for variable speed heat pumps and integrated water heating heat pumps81US 5,095,715 AElectric Power Research Institute, Inc. · 1992