F24D 19/1039
The system uses a heat pump
Official title: {the system uses a heat pump}
F24D19/1039 (The system uses a heat pump) appears on 85 US grants and 100 published applications in this corpus.
Search patents in F24D- Granted patents
- 85
- Published applications
- 100
- Assignees
- 61
- Inventors
- 240
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 0 | 11 |
| 2013 | 0 | 14 |
| 2014 | 4 | 2 |
| 2015 | 5 | 4 |
| 2016 | 9 | 3 |
| 2017 | 4 | 3 |
| 2018 | 3 | 6 |
| 2019 | 5 | 3 |
| 2020 | 5 | 3 |
| 2021 | 5 | 1 |
| 2022 | 2 | 11 |
| 2023 | 3 | 8 |
| 2024 | 10 | 11 |
| 2025 | 6 | 9 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- Cold climate heat pump system with energy storage11 Aug 2026US 12,704,328 B2Trane International Inc.
- Heating systems9 Jun 2026US 12,650,244 B2Mixergy Limited
- Hydronic system and method for heating and cooling a building12 May 2026US 12,624,843 B2Rensselaer Polytechnic Institute
- Method for controlling a supply fluid temperature of a heat pump of a floor heating system27 Aug 2026US 2026/0251319 A1
- Heat pump systems utilizing control and monitoring systems9 Jul 2026US 2026/0194262 A1Quilt Systems, Inc.
- Control system interface and computer-implemented method of configuring said system18 Jun 2026US 2026/0168690 A1Quilt Systems, Inc.
- Control method for a hydronic system2 Apr 2026US 2026/0092716 A1Grundfos Holding A/S
- Thermal system with exhaust heat exchanger12 Mar 2026US 2026/0071775 A1Schlumberger Technology Corporation
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
- Heat pump control system78US 4,627,483 AVisual Information Institute, Inc. · 1986
- Climate control system including responsive controllers74US 8,689,572 B2Emerson Electric Co. · 2014
- Heat pump control system with defrost cycle monitoring60US 4,627,484 AVisual Information Institute, Inc. · 1986
- Minimizing off cycle losses of a refrigeration system in a heating mode60US 4,750,672 AHoneywell Inc. · 1988