F25B 2313/02792
Using reversing valve changing the refrigerant flow direction due to pressure differences
Official title: using reversing valve changing the refrigerant flow direction due to pressure differences of the refrigerant and not by external actuation
F25B2313/02792 (Using reversing valve changing the refrigerant flow direction due to pressure differences) appears on 12 US grants and 18 published applications in this corpus.
Search patents in F25B- Granted patents
- 12
- Published applications
- 18
- Assignees
- 19
- Inventors
- 69
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 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 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 4 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 2 | 3 |
| 2023 | 0 | 1 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Valve and subcooler for storing refrigerant22US 8,191,376 B2Trane International Inc. · 2012
- Channel selector valve and method of driving the same, compressor with the channel selector valve, and device for controlling refrigerating cycle17US 6,684,651 B1Kabushiki Kaisha Saginomiya Seisakusho · 2004
- Heat exchanger applicable more particularly to compressor heat pumps10US 3,977,210 ASociete Anonyme dite: Frimair S.A. · 1976
- Four-way selector valve7US 6,505,647 B2Fujikoki Corporation · 2003
- Method and apparatus for charge compensator reheat valve3US 10,830,514 B2Lennox Industries Inc. · 2020