F25B 2341/063
Feed forward expansion valves
F25B2341/063 (Feed forward expansion valves) appears on 89 US grants and 83 published applications in this corpus.
Search patents in F25B- Granted patents
- 89
- Published applications
- 83
- Assignees
- 49
- Inventors
- 183
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 2 |
| 2002 | 5 | 5 |
| 2003 | 7 | 2 |
| 2004 | 1 | 7 |
| 2005 | 4 | 4 |
| 2006 | 2 | 8 |
| 2007 | 2 | 11 |
| 2008 | 3 | 5 |
| 2009 | 3 | 2 |
| 2010 | 5 | 8 |
| 2011 | 3 | 2 |
| 2012 | 5 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 4 |
| 2016 | 2 | 1 |
| 2017 | 2 | 4 |
| 2018 | 4 | 4 |
| 2019 | 3 | 3 |
| 2020 | 2 | 3 |
| 2021 | 3 | 3 |
| 2022 | 2 | 1 |
| 2023 | 4 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Refrigeration system28 Apr 2026US 12,613,048 B2Carrier Corporation
- Electronic expansion valve and superheat control in an HVAC system14 Jan 2025US 12,196,463 B2KOVA Comfort, Inc.
- Non-return valve, in particular for a refrigeration or heat circuit3 Oct 2023US 11,773,993 B2OTTO EGELHOF GmbH & Co. KG
- Electronic expansion valve and superheat control in an HVAC system4 Jul 2023US 11,692,750 B1Renu, Inc.
- CO2 refrigeration system with high pressure valve control based on coefficient of performance20 Jun 2023US 11,680,738 B2Hill Phoenix, Inc.
- Electronic expansion valve and superheat control in an hvac system14 Sep 2023US 2023/0288108 A1Renu, Inc.
- CO2 Refrigeration System with High Pressure Valve Control Based on Coefficient of Performance24 Nov 2022US 2022/0373238 A1Hill Phoenix, Inc.
- Refrigeration system5 Aug 2021US 2021/0239346 A1Carrier Corporation
- Non-return valve, in particular for a refrigeration or heat circuit22 Jul 2021US 2021/0222788 A1OTTO EGELHOF GmbH & Co. KG
- Systems and methods for controlling differential refrigerant pressure17 Jun 2021US 2021/0180847 A1Trane International Inc.
Most cited
By later US patents
- Refrigeration expansion control69US 5,904,049 AGeneral Electric Company · 1999
- Ejector cycle system with critical refrigerant pressure52US 6,477,857 B2Denso Corporation · 2002
- Refrigerating system39US 5,752,391 ANippon Soken, Inc. · 1998
- Feed forward control of expansion valve38US 5,632,154 AAmerican Standard Inc. · 1997
- Ejector cycle system with critical refrigerant pressure38US 6,574,987 B2Denso Corporation · 2003