F24F 12/002
Using an intermediate heat-transfer fluid
Official title: {using an intermediate heat-transfer fluid}
F24F12/002 (Using an intermediate heat-transfer fluid) appears on 229 US grants and 219 published applications in this corpus.
Search patents in F24F- Granted patents
- 229
- Published applications
- 219
- Assignees
- 144
- Inventors
- 463
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 3 |
| 2003 | 3 | 5 |
| 2004 | 3 | 4 |
| 2005 | 3 | 2 |
| 2006 | 1 | 4 |
| 2007 | 2 | 3 |
| 2008 | 3 | 0 |
| 2009 | 1 | 3 |
| 2010 | 0 | 9 |
| 2011 | 2 | 5 |
| 2012 | 0 | 13 |
| 2013 | 8 | 5 |
| 2014 | 4 | 9 |
| 2015 | 1 | 7 |
| 2016 | 6 | 11 |
| 2017 | 6 | 7 |
| 2018 | 7 | 17 |
| 2019 | 10 | 12 |
| 2020 | 14 | 15 |
| 2021 | 13 | 15 |
| 2022 | 11 | 17 |
| 2023 | 13 | 13 |
| 2024 | 13 | 14 |
| 2025 | 14 | 20 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Ventilator24 Mar 2026US 12,584,640 B2Daikin Industries, Ltd.
- Air conditioning system24 Feb 2026US 12,560,349 B2Daikin Industries, Ltd.
- Temperature sensor autoconfiguration in hvac systems17 Sep 2026US 2026/0276232 A1Midea Group Co., Ltd.
- Total heat exchanger and ventilation device10 Sep 2026US 2026/0266502 A1Sharp Kabushiki Kaisha
- Heat Harvesting Cooling Tower20 Aug 2026US 2026/0243459 A1Jemm's Labs
- Air conditioner30 Jul 2026US 2026/0218922 A1LG Electronics Inc.
- Systems and methods for modulating temperature and humidity of an enclosed space25 Jun 2026US 2026/0177261 A1Nortek Air Solutions Canada, Inc.
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