F25B 2313/0215
The auxiliary heat exchanger being used parallel to the outdoor heat exchanger
Official title: the auxiliary heat exchanger being used parallel to the outdoor heat exchanger during heating operation
F25B2313/0215 (The auxiliary heat exchanger being used parallel to the outdoor heat exchanger) appears on 9 US grants and 10 published applications in this corpus.
Search patents in F25B- Granted patents
- 9
- Published applications
- 10
- Assignees
- 7
- Inventors
- 30
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Heat pump14 Oct 2025US 12,442,572 B2Yanmar Power Technology Co., Ltd.
- Refrigeration cycle device7 May 2024US 11,976,857 B2Mitsubishi Electric Corporation
- Air conditioner and control method thereof for determining an amount of refrigerant4 Feb 2020US 10,551,101 B2Samsung Electronics Co., Ltd.
- Air conditioner30 Apr 2019US 10,274,208 B2Daikin Europe N.V.
- Heat pump system with auxiliary heat exchanger3 Jan 2017US 9,534,818 B2SI2 Industries, LLC
- Refrigeration cycle apparatus23 Nov 2023US 2023/0375238 A1Mitsubishi Electric Corporation
- Heat pump4 May 2023US 2023/0137037 A1Yanmar Power Technology Co., Ltd.
- Refrigeration cycle device13 Jan 2022US 2022/0011028 A1Mitsubishi Electric Corporation
- Air conditioner1 Nov 2018US 2018/0313550 A1Daikin Europe N.V.
- Air conditioner and control method thereof28 Sep 2017US 2017/0276413 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Apparatus and method for combined solar and heat pump heating and cooling system38US 4,165,037 A1979
- Air-conditioning apparatus including unit for increasing heating capacity4US 9,316,421 B2Mitsubishi Electric Corporation · 2016
- Air-conditioning apparatus4US 9,513,036 B2Mitsubishi Electric Corporation · 2016
- Air conditioner and control method thereof for determining an amount of refrigerant3US 10,551,101 B2Samsung Electronics Co., Ltd. · 2020
- Refrigeration cycle device1US 11,976,857 B2Mitsubishi Electric Corporation · 2024