F24H 15/10
Control of fluid heaters: characterised by the purpose of the control
Official title: characterised by the purpose of the control
F24H15/10 (Control of fluid heaters: characterised by the purpose of the control) appears on 1,150 US grants and 1,502 published applications in this corpus.
Search patents in F24H- Granted patents
- 1,150
- Published applications
- 1,502
- Assignees
- 576
- Inventors
- 2,541
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 10 | 0 |
| 1986 | 16 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 10 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 11 | 0 |
| 2000 | 15 | 0 |
| 2001 | 14 | 5 |
| 2002 | 11 | 12 |
| 2003 | 18 | 20 |
| 2004 | 15 | 13 |
| 2005 | 11 | 20 |
| 2006 | 17 | 24 |
| 2007 | 14 | 36 |
| 2008 | 11 | 21 |
| 2009 | 17 | 40 |
| 2010 | 14 | 60 |
| 2011 | 20 | 40 |
| 2012 | 37 | 55 |
| 2013 | 34 | 65 |
| 2014 | 29 | 68 |
| 2015 | 43 | 69 |
| 2016 | 52 | 62 |
| 2017 | 60 | 66 |
| 2018 | 55 | 82 |
| 2019 | 70 | 80 |
| 2020 | 53 | 86 |
| 2021 | 53 | 107 |
| 2022 | 76 | 77 |
| 2023 | 79 | 71 |
| 2024 | 71 | 119 |
| 2025 | 62 | 122 |
| 2026 | 44 | 82 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F24H 15/174Supplying heated water with desired temperature or desired range of temperature531
- F24H 15/128Preventing overheating236
- F24H 15/156Reducing the quantity of energy consumed222
- F24H 15/144Measuring or calculating energy consumption152
- F24H 15/104Inspection111
- F24H 15/12Preventing or detecting fluid leakage111
- F24H 15/176Improving or maintaining comfort of users94
- F24H 15/172Scheduling based on user demand90
All 17 subgroupsShow fewer
- F24H 15/136Defrosting or de-icing63
- F24H 15/16Reducing cost using the price of energy63
- F24H 15/14Cleaning57
- F24H 15/184Preventing harm to users from exposure to heated water46
- F24H 15/168Reducing the electric power demand peak44
- F24H 15/124Preventing or detecting electric faults33
- F24H 15/112Preventing or detecting blocked flues28
- F24H 15/196Automatically filling bathtubs or pools6
- F24H 15/108Resuming operation4
Recent patents
- Water heater having highly efficient and compact heat exchanger6 Oct 2026US RE51,053 E1A. O. Smith Corporation
- Control of fluid temperature in a dialysis system22 Sep 2026US 12,741,070 B2Gambro Lundia AB
- Electric fluid heater22 Sep 2026US 12,742,569 B2Digital Heat Ltd.
- Heater bundles having variable power output within zones22 Sep 2026US 12,742,570 B2Watlao Electric Manufacturing Company
- Leak detection systems for a fluid heating device8 Sep 2026US 12,729,880 B2Rheem Manufacturing Company
- Economizer and boiler8 Oct 2026US 2026/0309323 A1Kurita Water Industries Ltd.
- Energy buffering using a heat pump8 Oct 2026US 2026/0309339 A1Mixergy Limited
- Water heating system and device8 Oct 2026US 2026/0309340 A1Mixergy Limited
- Hot water supply system8 Oct 2026US 2026/0309368 A1Mitsubishi Electric Corporation
- Furnace with improved efficiency controls8 Oct 2026US 2026/0309369 A1Trane International Inc.
Most cited
By later US patents
- Fluid heating control system199US 6,246,831 B1David Seitz · 2001
- Integrated appliance control system186US 6,059,195 ATridelta Industries, Inc. · 2000
- System for servicing and maintaining heat supply equipment177US 6,626,366 B2Miura Co., Ltd. · 2003
- Method for servicing and maintaining heat supply equipment155US 6,764,019 B1Miura Co., Ltd. · 2004
- Automatic hot water supply apparatus152US 5,058,804 AMatsushita Electric Industrial Co., Ltd. · 1991