F25B 2313/0292
Related to reversing valves
Official title: related to reversing valves
F25B2313/0292 (Related to reversing valves) appears on 155 US grants and 172 published applications in this corpus.
Search patents in F25B- Granted patents
- 155
- Published applications
- 172
- Assignees
- 65
- Inventors
- 405
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 4 |
| 2005 | 3 | 1 |
| 2006 | 0 | 3 |
| 2007 | 3 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 2 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 3 |
| 2014 | 1 | 6 |
| 2015 | 1 | 6 |
| 2016 | 5 | 10 |
| 2017 | 7 | 3 |
| 2018 | 6 | 5 |
| 2019 | 4 | 16 |
| 2020 | 12 | 18 |
| 2021 | 14 | 18 |
| 2022 | 11 | 23 |
| 2023 | 16 | 18 |
| 2024 | 21 | 20 |
| 2025 | 10 | 8 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air conditioner1 Sep 2026US 12,723,784 B2LG Electronics Inc.
- Operation control system, operation control apparatus, and operation control method25 Aug 2026US 12,716,601 B2Daikin Industries, Ltd.
- Variable refrigerant flow system and control method18 Aug 2026US 12,710,207 B2Guangdong Carrier Hvac Co., Ltd.
- Heat exchanger and heat pump device19 May 2026US 12,631,374 B2Daikin Industries, Ltd.
- Air conditioner5 May 2026US 12,618,570 B2Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
- Heat pump system reversing valve fault detection5 Mar 2026US 2026/0063345 A1Haier US Appliance Solutions, Inc.
- Heat pump system reversing valve fault recovery5 Mar 2026US 2026/0063347 A1Haier US Appliance Solutions, Inc.
- Packaged multi-functional air source heat pump integrated with a hydronic loop for cooling/heating energy storage29 Jan 2026US 2026/0029144 A1
- Heat pump protection against high pressure trips in defrost cycle18 Dec 2025US 2025/0383138 A1Johnson Controls Light Commercial IP GmbH
- Refrigeration cycle device and air conditioner equipped with the same18 Sep 2025US 2025/0290677 A1Sharp Kabushiki Kaisha
Most cited
By later US patents
- Geothermal heat pump system116US 5,758,514 AEnvirotherm Heating & Cooling Systems, Inc. · 1998
- Automatic control apparatus for a heat pump system101US 4,333,316 AGeneral Electric Company · 1982
- Optimal control system for refrigeration-coupled thermal energy storage73US 4,940,079 APhenix Heat Pump Systems, Inc. · 1990
- Vapor line pressure control69US 6,092,378 ACarrier Corporation · 2000
- Stepped capacity constant volume building air conditioning system61US 4,259,847 AThe Trane Company · 1981