F24D 19/00
Details
Official title: Details (of water or air heaters F24H9/00; of heat-exchange or heat-transfer apparatus, of general application F28F)
F24D19/00 (Details) appears on 1,941 US grants and 2,341 published applications in this corpus.
Search patents in F24D- Granted patents
- 1,941
- Published applications
- 2,341
- Assignees
- 983
- Inventors
- 4,158
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 10 | 0 |
| 1978 | 18 | 0 |
| 1979 | 17 | 0 |
| 1980 | 25 | 0 |
| 1981 | 23 | 0 |
| 1982 | 21 | 0 |
| 1983 | 23 | 0 |
| 1984 | 21 | 0 |
| 1985 | 25 | 0 |
| 1986 | 26 | 0 |
| 1987 | 19 | 0 |
| 1988 | 19 | 0 |
| 1989 | 11 | 0 |
| 1990 | 14 | 0 |
| 1991 | 11 | 0 |
| 1992 | 14 | 0 |
| 1993 | 15 | 0 |
| 1994 | 16 | 0 |
| 1995 | 15 | 0 |
| 1996 | 9 | 0 |
| 1997 | 16 | 0 |
| 1998 | 17 | 0 |
| 1999 | 16 | 0 |
| 2000 | 22 | 0 |
| 2001 | 13 | 2 |
| 2002 | 13 | 18 |
| 2003 | 11 | 11 |
| 2004 | 12 | 16 |
| 2005 | 6 | 26 |
| 2006 | 11 | 21 |
| 2007 | 10 | 30 |
| 2008 | 8 | 43 |
| 2009 | 14 | 69 |
| 2010 | 23 | 95 |
| 2011 | 20 | 128 |
| 2012 | 39 | 122 |
| 2013 | 48 | 105 |
| 2014 | 63 | 105 |
| 2015 | 78 | 156 |
| 2016 | 94 | 134 |
| 2017 | 95 | 108 |
| 2018 | 132 | 145 |
| 2019 | 111 | 111 |
| 2020 | 105 | 121 |
| 2021 | 111 | 132 |
| 2022 | 99 | 156 |
| 2023 | 108 | 125 |
| 2024 | 127 | 152 |
| 2025 | 96 | 124 |
| 2026 | 68 | 86 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F24D 19/10Arrangement or mounting of control or safety devices1,486
- F24D 19/0092Devices for preventing or removing corrosion, slime or scale167
- F24D 19/08Arrangements for drainage, venting or aerating117
- F24D 19/0095Devices for preventing damage by freezing58
- F24D 19/008Details related to central heating radiators54
- F24D 19/02Arrangement of mountings or supports for radiators54
- F24D 19/06Casings, cover lids or ornamental panels, for radiators53
- F24D 19/0002Means for connecting central heating radiators to circulation pipes45
All 9 subgroupsShow fewer
Recent patents
- Auxiliary system for a low-temperature thermal energy distribution network6 Oct 2026US 12,753,933 B2Apterix SA
- Storage water heater equipped with at least one auxiliary heater and a circulator29 Sep 2026US 12,747,869 B2
- Systems and methods for controlling a variable gas valve15 Sep 2026US 12,736,230 B2Copeland Comfort Control LP
- 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
- Heat pump and auxiliary heating with carbon reduction reset strategy8 Sep 2026US 12,729,871 B2Trane International Inc.
- Water heating system and device8 Oct 2026US 2026/0309340 A1Mixergy Limited
- Organic-light emitting diode1 Oct 2026US 2026/0298429 A1Pictiva Displays International Limited
- Heating installation1 Oct 2026US 2026/0298483 A1Energy Machines ApS
- 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
Most cited
By later US patents
- Remote temperature sensing transmitting and programmable thermostat system240US 6,213,404 B12001
- Pre-programmed electronic programmable thermostat198US 5,329,991 AHunter Fan Company · 1994
- Wireless programming or programmable thermostat mobile unit for multiple separate controller or programmable fixed units and programming transmission method190US 6,196,467 B12001
- Energy-conserving thermostat and method188US 5,244,146 AHomebrain, Inc. · 1993
- Control for dual heating system including a heat pump and furnace171US 5,259,445 AThe Detroit Edison Company · 1993