F25B 2313/02542
During defrosting
Official title: during defrosting
F25B2313/02542 (During defrosting) appears on 23 US grants and 18 published applications in this corpus.
Search patents in F25B- Granted patents
- 23
- Published applications
- 18
- Assignees
- 10
- Inventors
- 50
- Latest grant
- 24 Jun 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 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 1 | 1 |
| 2007 | 3 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 2 | 0 |
| 2019 | 0 | 3 |
| 2020 | 3 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 3 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Air-conditioning device24 Jun 2025US 12,339,019 B2Mitsubishi Electric Corporation
- Air-conditioning apparatus18 Jun 2024US 12,013,159 B2Mitsubishi Electric Corporation
- Refrigeration cycle apparatus12 Mar 2024US 11,927,376 B2Mitsubishi Electric Corporation
- Refrigeration cycle apparatus1 Feb 2022US 11,236,934 B2Mitsubishi Electric Corporation
- Air conditioner18 May 2021US 11,009,247 B2Mitsubishi Electric Corporation
- Air-conditioning device21 Dec 2023US 2023/0408122 A1Mitsubishi Electric Corporation
- Air-conditioning apparatus17 Nov 2022US 2022/0364777 A1Mitsubishi Electric Corporation
- Refrigeration cycle apparatus11 Aug 2022US 2022/0252314 A1Mitsubishi Electric Corporation
- Refrigeration cycle apparatus7 Jul 2022US 2022/0214080 A1Mitsubishi Electric Corporation
- Refrigeration cycle apparatus18 Mar 2021US 2021/0080161 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Heat pump including auxiliary outdoor heat exchanger acting as defroster and sub-cooler88US 4,171,622 AMatsushita Electric Industrial Co., Ltd. · 1979
- Apparatus and method for defrosting a heat exchanger in a refrigeration circuit21US 4,565,070 ACarrier Corporation · 1986
- Heat exchanger liquid refrigerant defrost system18US 7,171,817 B22007
- Apparatus for enhancing the performance of a heat pump and the like16US 4,761,964 A1988
- Three coil electric heat pump11US 5,771,699 A1998