F25B 2341/068
Expansion valves combined with a sensor
F25B2341/068 (Expansion valves combined with a sensor) appears on 261 US grants and 187 published applications in this corpus.
Search patents in F25B- Granted patents
- 261
- Published applications
- 187
- Assignees
- 98
- Inventors
- 434
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 12 | 0 |
| 2000 | 14 | 0 |
| 2001 | 19 | 7 |
| 2002 | 22 | 18 |
| 2003 | 15 | 7 |
| 2004 | 8 | 15 |
| 2005 | 11 | 10 |
| 2006 | 2 | 8 |
| 2007 | 7 | 11 |
| 2008 | 2 | 8 |
| 2009 | 5 | 4 |
| 2010 | 3 | 8 |
| 2011 | 3 | 2 |
| 2012 | 2 | 4 |
| 2013 | 2 | 8 |
| 2014 | 3 | 3 |
| 2015 | 5 | 5 |
| 2016 | 2 | 13 |
| 2017 | 7 | 6 |
| 2018 | 11 | 12 |
| 2019 | 11 | 10 |
| 2020 | 7 | 11 |
| 2021 | 7 | 6 |
| 2022 | 8 | 4 |
| 2023 | 3 | 4 |
| 2024 | 5 | 1 |
| 2025 | 2 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Air conditioning system14 Jul 2026US 12,680,742 B2Guangdong Meizhi Precision-Manufacturing Co., Ltd.
- Thermoplastic composition for monolayer tube, air-conditioning circuit and method for preparing the composition16 Jun 2026US 12,655,291 B2Hutchinson
- Bulbless thermostatic expansion valve and method of joining insulated power element8 Apr 2025US 12,270,582 B1Parker-Hannifin Corporation
- Heat pump adapter system7 Jan 2025US 12,188,697 B2University of Hull
- Expansion valve31 Dec 2024US 12,184,127 B2Mahle International GmbH
- Sensor-integrated expansion valve26 Feb 2026US 2026/0055939 A1Hanon Systems
- Inline refrigerant mixer for thermostatic expansion valve bulb associated with refrigeration circuits and heat exchangers10 Jul 2025US 2025/0224162 A1Carrier Corporation
- Air conditioning system21 Nov 2024US 2024/0384904 A1Guangdong Meizhi Precision-Manufacturing Co., Ltd.
- Expansion Valve Performance Monitoring in Refrigeration System25 May 2023US 2023/0160615 A1Hill Phoenix, Inc.
- Controlling metering devices23 Feb 2023US 2023/0053380 A1Lennox Industries Inc.
Most cited
By later US patents
- Apparatus for and method of automatically adjusting the superheat setting of a thermostatic expansion valve93US 4,467,613 AEmerson Electric Co. · 1984
- Low refrigerant charge detection using thermal expansion valve stroke measurement77US 5,243,829 AGeneral Electric Company · 1993
- Thermostatic expansion valve with electronic controller67US 4,944,160 AEaton Corporation · 1990
- Vehicle air conditioning system60US 6,330,909 B1Denso Corporation · 2001
- Flange mounted thermostatic expansion valve56US 4,468,054 AThe Singer Company · 1984