F25B 2313/005
Outdoor unit expansion valves
F25B2313/005 (Outdoor unit expansion valves) appears on 94 US grants and 114 published applications in this corpus.
Search patents in F25B- Granted patents
- 94
- Published applications
- 114
- Assignees
- 42
- Inventors
- 258
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 3 | 4 |
| 2005 | 2 | 0 |
| 2006 | 1 | 2 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 6 |
| 2010 | 0 | 7 |
| 2011 | 2 | 7 |
| 2012 | 5 | 2 |
| 2013 | 6 | 5 |
| 2014 | 0 | 6 |
| 2015 | 4 | 17 |
| 2016 | 5 | 13 |
| 2017 | 11 | 7 |
| 2018 | 11 | 5 |
| 2019 | 10 | 7 |
| 2020 | 8 | 8 |
| 2021 | 7 | 4 |
| 2022 | 5 | 6 |
| 2023 | 2 | 1 |
| 2024 | 3 | 5 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Air conditioner11 Nov 2025US 12,467,666 B2LG Electronics Inc.
- Air conditioner and control method7 Jan 2025US 12,188,678 B2Carrier Japan Corporation
- Refrigeration apparatus10 Dec 2024US 12,163,706 B2Daikin Industries, Ltd.
- Outdoor unit for a heat pump6 Aug 2024US 12,055,330 B2Daikin Europe N.V.
- Multi-connected heat recovery air conditioning system and control method thereof2 Jan 2024US 11,859,876 B2Guangdong Giwee Technology Co. Ltd.
- Heat pump system for optimizing operational efficiencywithout charge imbalance and a method thereof6 Mar 2025US 2025/0075949 A1Carrier Corporation
- Heat source unit and air-conditioning device4 Jul 2024US 2024/0219058 A1Daikin Industries, Ltd.
- Heat pump charge compensation for cooling mode operation13 Jun 2024US 2024/0191917 A1Allied Air Enterprises LLC
- Heat source unit and air conditioner23 May 2024US 2024/0167735 A1Daikin Industries, Ltd.
- Air conditioner14 Mar 2024US 2024/0085071 A1LG Electronics Inc.
Most cited
By later US patents
- Heat pump refrigerant charge control system80US 4,484,452 AThe Trane Company · 1984
- Air conditioner and method of detecting refrigerant leakage therein29US 6,701,722 B1Samsung Electronics Co., Ltd. · 2004
- Refrigerating device26US 6,298,683 B1Daikin Industries, Ltd. · 2001
- Heat exchange apparatus and refrigerating machine26US 7,254,955 B2Sanyo Electric Co., Ltd. · 2007
- Air conditioning system23US 5,277,034 AHitachi, Ltd. · 1994