F24D 19/1009
For central heating
Official title: {for central heating}
F24D19/1009 (For central heating) appears on 552 US grants and 664 published applications in this corpus.
Search patents in F24D- Granted patents
- 552
- Published applications
- 664
- Assignees
- 333
- Inventors
- 1,230
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 6 | 0 |
| 1980 | 9 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 10 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 8 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 8 |
| 2003 | 2 | 1 |
| 2004 | 3 | 4 |
| 2005 | 1 | 3 |
| 2006 | 3 | 4 |
| 2007 | 0 | 9 |
| 2008 | 3 | 12 |
| 2009 | 2 | 13 |
| 2010 | 6 | 37 |
| 2011 | 7 | 44 |
| 2012 | 14 | 47 |
| 2013 | 16 | 42 |
| 2014 | 22 | 21 |
| 2015 | 24 | 42 |
| 2016 | 24 | 46 |
| 2017 | 35 | 26 |
| 2018 | 37 | 57 |
| 2019 | 32 | 24 |
| 2020 | 33 | 26 |
| 2021 | 31 | 21 |
| 2022 | 17 | 42 |
| 2023 | 21 | 36 |
| 2024 | 39 | 44 |
| 2025 | 25 | 30 |
| 2026 | 26 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Auxiliary system for a low-temperature thermal energy distribution network6 Oct 2026US 12,753,933 B2Apterix SA
- Heat pump and auxiliary heating with carbon reduction reset strategy8 Sep 2026US 12,729,871 B2Trane International Inc.
- Low-emissions heating, cooling, and hot water system25 Aug 2026US 12,716,616 B2Harvest Thermal, Inc.
- Control systems for a heat network11 Aug 2026US 12,704,267 B2Siemens Aktiengesellschaft
- Control system for building equipment with secondary strong prevention11 Aug 2026US 12,704,268 B2Tyco Fire & Security GmbH
- Device and method for controlling cooling and heating in home and system therefor1 Oct 2026US 2026/0298491 A1LG Electronics Inc.
- Thermal fluid conveyance manifold and operation thereof17 Sep 2026US 2026/0276215 A1
- Heat pump device10 Sep 2026US 2026/0266475 A1Fujitsu General Limited
- Tempering circuit manifold and tempering system herewith27 Aug 2026US 2026/0251317 A1
- Method for controlling a supply fluid temperature of a heat pump of a floor heating system27 Aug 2026US 2026/0251319 A1
Most cited
By later US patents
- Control for dual heating system including a heat pump and furnace171US 5,259,445 AThe Detroit Edison Company · 1993
- Integrated controller pump146US 6,065,946 AServo Magnetics, Inc. · 2000
- Multi-phase modular comfort controlled heating system131US 4,337,893 AEnergy Savings Parhelion · 1982
- Integrated zoning circulator with priority controller129US 5,622,221 ATaco, Inc. · 1997
- Heat pump control system78US 4,627,483 AVisual Information Institute, Inc. · 1986