F25B 2341/067
Expansion valves having a pilot valve
F25B2341/067 (Expansion valves having a pilot valve) appears on 19 US grants and 22 published applications in this corpus.
Search patents in F25B- Granted patents
- 19
- Published applications
- 22
- Assignees
- 11
- Inventors
- 44
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 4 |
| 2004 | 0 | 2 |
| 2005 | 2 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 3 | 5 |
| 2016 | 1 | 2 |
| 2017 | 2 | 0 |
| 2018 | 1 | 1 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Active balancing valve for a refrigeration and/or air-conditioning application31 Mar 2026US 12,590,646 B2Danfoss A/S
- Electromagnetic proportional valve and system having a proportional valve15 Jul 2025US 12,358,342 B2ECO Holding 1 GmbH
- Air conditioning apparatus29 Aug 2023US 11,739,956 B2LG Electronics Inc.
- Electromagnetic valve16 Apr 2019US 10,260,786 B2Tgk Co., Ltd.
- Refrigeration cycle device and pilot on-off valve26 Mar 2019US 10,240,835 B2Denso Corporation
- Active balancing valve for a refrigeration and/or air-conditioning application2 May 2024US 2024/0142021 A1Danfoss A/S
- Electromagnetic proportional valve and system having a proportional valve17 Mar 2022US 2022/0082310 A1ECO Holding 1 GmbH
- Air conditioning apparatus9 Sep 2021US 2021/0278095 A1LG Electronics Inc.
- Pilot Assisted Self-Powered Actuator Valve and Device29 Nov 2018US 2018/0340626 A1
- Switching valve for the regulation of a mass flow16 Jun 2016US 2016/0169407 A1OTTO EGELHOF GmbH & Co. KG
Most cited
By later US patents
- Pilot-operated flow regulating valve17US 6,315,266 B1Tgk Co., Ltd. · 2001
- Refrigerant expansion valve having electrically operated inlet shutoff with improved armature dampening10US 6,530,528 B2Parker-Hannifin Corporation · 2003
- Solenoid control valve7US 6,957,663 B2Tgk Co., Ltd. · 2005
- Differential pressure valve7US 6,986,498 B2Tgk Co., Ltd. · 2006
- Motor-driven valve6US 8,297,588 B2Fujikoki Corporation · 2012