F24H 9/00
Details
F24H9/00 (Details) appears on 3,542 US grants and 4,019 published applications in this corpus.
Search patents in F24H- Granted patents
- 3,542
- Published applications
- 4,019
- Assignees
- 1,489
- Inventors
- 6,608
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 38 | 0 |
| 1978 | 26 | 0 |
| 1979 | 22 | 0 |
| 1980 | 28 | 0 |
| 1981 | 43 | 0 |
| 1982 | 26 | 0 |
| 1983 | 38 | 0 |
| 1984 | 26 | 0 |
| 1985 | 37 | 0 |
| 1986 | 29 | 0 |
| 1987 | 31 | 0 |
| 1988 | 32 | 0 |
| 1989 | 30 | 0 |
| 1990 | 42 | 0 |
| 1991 | 26 | 0 |
| 1992 | 34 | 0 |
| 1993 | 31 | 0 |
| 1994 | 50 | 0 |
| 1995 | 31 | 0 |
| 1996 | 33 | 0 |
| 1997 | 24 | 0 |
| 1998 | 30 | 0 |
| 1999 | 44 | 0 |
| 2000 | 61 | 0 |
| 2001 | 62 | 15 |
| 2002 | 41 | 34 |
| 2003 | 47 | 49 |
| 2004 | 49 | 50 |
| 2005 | 43 | 59 |
| 2006 | 48 | 61 |
| 2007 | 30 | 79 |
| 2008 | 29 | 81 |
| 2009 | 40 | 111 |
| 2010 | 49 | 146 |
| 2011 | 58 | 119 |
| 2012 | 80 | 178 |
| 2013 | 82 | 191 |
| 2014 | 108 | 214 |
| 2015 | 96 | 241 |
| 2016 | 162 | 213 |
| 2017 | 161 | 166 |
| 2018 | 190 | 228 |
| 2019 | 198 | 259 |
| 2020 | 187 | 254 |
| 2021 | 167 | 266 |
| 2022 | 212 | 225 |
| 2023 | 169 | 166 |
| 2024 | 161 | 228 |
| 2025 | 156 | 210 |
| 2026 | 88 | 176 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F24H 9/20Arrangement or mounting of control or safety devices1,648
- F24H 9/18Arrangement or mounting of grates or heating means856
- F24H 9/0005Details: for water heaters641
- F24H 9/12Arrangements for connecting heaters to circulation pipes297
- F24H 9/02Casings253
- F24H 9/0052Details: for air heaters212
- F24H 9/14Arrangements for connecting different sections183
- F24H 9/06Arrangement of mountings or supports178
Recent patents
- Systems and methods for preventing and removing chemical deposits in a fluid heating device6 Oct 2026US 12,753,950 B2Rheem Manufacturing Company
- Water heater having highly efficient and compact heat exchanger6 Oct 2026US RE51,053 E1A. O. Smith Corporation
- Hot water storage tank29 Sep 2026US 12,747,891 B2Mitsubishi Electric Corporation
- Fine bubble generator, water heater, and dishwasher22 Sep 2026US 12,741,252 B2Rinnai Corporation
- Heater bundles having variable power output within zones22 Sep 2026US 12,742,570 B2Watlao Electric Manufacturing Company
- Heating apparatus8 Oct 2026US 2026/0307461 A1Aisan Kogyo Kabushiki Kaisha
- Water detection, distribution and monitoring system8 Oct 2026US 2026/0308893 A1Ocean Park Mechanical Inc
- Water heating system and device8 Oct 2026US 2026/0309340 A1Mixergy Limited
- Flow Through Heaters and Methods of Manufacture Thereof8 Oct 2026US 2026/0309364 A1Otter Controls Limited
- Pressurized tankless boiler system and appartus8 Oct 2026US 2026/0309365 A1Phoenix Heating Services
Most cited
By later US patents
- 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
- Control system for a water heater150US 5,797,358 AAOS Holding Company · 1998
- Heating control arrangement for an electronic smoking article and associated system and method145US 9,423,152 B2R. J. Reynolds Tobacco Company · 2016