F25B 2345/002
Collecting refrigerant from a cycle
F25B2345/002 (Collecting refrigerant from a cycle) appears on 404 US grants and 207 published applications in this corpus.
Search patents in F25B- Granted patents
- 404
- Published applications
- 207
- Assignees
- 168
- Inventors
- 603
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 11 | 0 |
| 1990 | 12 | 0 |
| 1991 | 23 | 0 |
| 1992 | 32 | 0 |
| 1993 | 33 | 0 |
| 1994 | 36 | 0 |
| 1995 | 18 | 0 |
| 1996 | 19 | 0 |
| 1997 | 11 | 0 |
| 1998 | 11 | 0 |
| 1999 | 5 | 0 |
| 2000 | 10 | 0 |
| 2001 | 6 | 1 |
| 2002 | 6 | 1 |
| 2003 | 2 | 2 |
| 2004 | 3 | 4 |
| 2005 | 0 | 4 |
| 2006 | 7 | 8 |
| 2007 | 3 | 3 |
| 2008 | 1 | 4 |
| 2009 | 1 | 5 |
| 2010 | 4 | 3 |
| 2011 | 4 | 7 |
| 2012 | 2 | 7 |
| 2013 | 5 | 12 |
| 2014 | 5 | 8 |
| 2015 | 5 | 10 |
| 2016 | 7 | 9 |
| 2017 | 9 | 9 |
| 2018 | 6 | 9 |
| 2019 | 7 | 8 |
| 2020 | 11 | 12 |
| 2021 | 9 | 15 |
| 2022 | 10 | 23 |
| 2023 | 15 | 6 |
| 2024 | 12 | 13 |
| 2025 | 14 | 12 |
| 2026 | 9 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for Refrigerant unit life cycle management22 Sep 2026US 12,742,564 B2Effecterra, Inc.
- Coolant refresh device for coolant distribution unit8 Sep 2026US 12,729,888 B2Cisco Technology, Inc.
- Heat source unit and refrigerant handling method1 Sep 2026US 12,723,791 B2Daikin Industries, Ltd.
- Refrigerant handling device and refrigerant handling method1 Sep 2026US 12,723,792 B2Daikin Industries, Ltd.
- Movable coolant processing apparatus21 Jul 2026US 12,687,331 B2Tokyo Electron Limited
- Method and apparatus for handling refrigerant17 Sep 2026US 2026/0276268 A1SK Innovation Co., Ltd.
- Method and apparatus for handling refrigerant17 Sep 2026US 2026/0276270 A1SK Innovation Co., Ltd.
- System including recovery pump and vacuum pump3 Sep 2026US 2026/0258801 A1Milwaukee Electric Tool Corporation
- Heat pump system and method for manufacturing heat pump device20 Aug 2026US 2026/0243471 A1Mitsubishi Electric Corporation
- Air-conditioning apparatus and evacuation method in air-conditioning apparatus20 Aug 2026US 2026/0243474 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Refrigerant recovery system109US 5,875,638 ACopeland Corporation · 1999
- Refrigerant recovery and purification system106US 4,476,688 A1984
- Refrigerant recovery and recharging system102US 4,441,330 ARobinair Manufacturing Corporation · 1984
- Automatic refrigerant recovery, purification and recharge apparatus94US 4,285,206 ADraf Tool Co., Inc. · 1981
- Refrigerant recovery, purification and recharging system94US 4,805,416 AKent-Moore Corporation · 1989