F24F 12/003
Using a heat pump
Official title: {using a heat pump}
F24F12/003 (Using a heat pump) appears on 107 US grants and 116 published applications in this corpus.
Search patents in F24F- Granted patents
- 107
- Published applications
- 116
- Assignees
- 74
- Inventors
- 271
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 1 |
| 2004 | 1 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 7 |
| 2011 | 0 | 3 |
| 2012 | 0 | 9 |
| 2013 | 4 | 1 |
| 2014 | 3 | 3 |
| 2015 | 1 | 3 |
| 2016 | 2 | 6 |
| 2017 | 2 | 4 |
| 2018 | 6 | 7 |
| 2019 | 5 | 5 |
| 2020 | 5 | 8 |
| 2021 | 4 | 6 |
| 2022 | 7 | 8 |
| 2023 | 6 | 9 |
| 2024 | 7 | 9 |
| 2025 | 9 | 15 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Circulating air module and circulating air module system29 Sep 2026US 12,747,870 B2Envola GmbH
- Modular encapsulated heat pumps11 Aug 2026US 12,704,279 B2
- Method and computer program product for evacuation of contaminated air and prevention of ignition in an air handling system7 Apr 2026US 12,595,922 B2FläKtgroup Sweden AB
- Air conditioning system24 Feb 2026US 12,560,349 B2Daikin Industries, Ltd.
- Decentralized system for combined fresh air ventilation and recirculation with a heat pump having a vibration-dampened compressor20 Jan 2026US 12,529,496 B2Airmaster A/S
- Temperature sensor autoconfiguration in hvac systems17 Sep 2026US 2026/0276232 A1Midea Group Co., Ltd.
- Thermal system with exhaust heat exchanger12 Mar 2026US 2026/0071775 A1Schlumberger Technology Corporation
- Carbon dioxide recovery system18 Dec 2025US 2025/0381510 A1Mitsubishi Electric Corporation
- Exhaust plenum system and methods for a ventilation system18 Dec 2025US 2025/0383114 A1
- Exhaust plenum system and methods for a ventilation system18 Dec 2025US 2025/0383115 A1
Most cited
By later US patents
- Desiccant assisted dehumidification and cooling system114US 5,579,647 AEngelhard/ICC · 1996
- Desiccant assisted multi-use air pre-conditioner unit with system heat recovery capability107US 5,325,676 A1994
- Hybrid air-conditioning system with improved recovery evaporator and subcool condenser coils105US 5,649,428 AEngelhard/ICC · 1997
- Indirect evaporative cooling system102US 4,827,733 ADinh Company, Inc. · 1989
- Hybrid heat pump and desiccant space conditioning system and control method96US 5,448,895 AEngelhard/ICC · 1995