F25B 41/325
Having two or more valve members
Official title: having two or more valve members
F25B41/325 (Having two or more valve members) appears on 91 US grants and 97 published applications in this corpus.
Search patents in F25B- Granted patents
- 91
- Published applications
- 97
- Assignees
- 63
- Inventors
- 276
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 1 |
| 2003 | 2 | 4 |
| 2004 | 1 | 3 |
| 2005 | 2 | 2 |
| 2006 | 2 | 4 |
| 2007 | 4 | 8 |
| 2008 | 2 | 0 |
| 2009 | 1 | 3 |
| 2010 | 3 | 4 |
| 2011 | 5 | 0 |
| 2012 | 1 | 5 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 6 | 5 |
| 2016 | 0 | 3 |
| 2017 | 2 | 2 |
| 2018 | 3 | 2 |
| 2019 | 2 | 7 |
| 2020 | 1 | 3 |
| 2021 | 2 | 4 |
| 2022 | 3 | 8 |
| 2023 | 6 | 7 |
| 2024 | 8 | 4 |
| 2025 | 2 | 6 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vapor compression and absorption refrigeration cycle (VCARC)6 Oct 2026US 12,753,955 B2Effusio, LLC
- Thermal conditioning circuit22 Sep 2026US 12,741,506 B2Valeo Systemes Thermiques
- Active balancing valve for a refrigeration and/or air-conditioning application31 Mar 2026US 12,590,646 B2Danfoss A/S
- Ventilation system, integrated air conditioning system and control method thereof26 Aug 2025US 12,398,907 B2Samsung Electronics Co., Ltd.
- Ventilation device and integrated air conditioning system having the same29 Jul 2025US 12,372,281 B2Samsung Electronics Co., Ltd.
- Outdoor unit of air conditioner, and air conditioner24 Sep 2026US 2026/0287217 A1Carrier Japan Corporation
- Manifold fluid module30 Jul 2026US 2026/0218951 A1Hanon Systems
- Heat management fluid module for vehicle30 Jul 2026US 2026/0218952 A1Hanon Systems
- System and Method for Evacuating a Refrigerant Leak in an HVAC System30 Jul 2026US 2026/0218958 A1Lennox Industries Inc.
- Heat pump and fan coil unit with thermal energy storage and thermal expansion valve in flow conduits extending therebetween18 Jun 2026US 2026/0168707 A1Carrier Corporation
Most cited
By later US patents
- Thermal expansion valve with internal by-pass and check valve41US 5,251,459 AEmerson Electric Co. · 1993
- Expansion and check valve combination30US 4,852,364 ASporlan Valve Company · 1989
- Refrigerating cycle system with hot-gas bypass passage29US 6,076,366 ADenso Corporation · 2000
- Expansion valve integrated with electromagnetic valve and refrigeration cycle employing the same28US 5,826,438 ADenso Corporation · 1998
- Valve for liquid injection into a refrigerant evaporator24US 4,475,686 ADanfoss A/S · 1984