F25B 2347/02
Details of defrosting cycles
F25B2347/02 (Details of defrosting cycles) appears on 162 US grants and 168 published applications in this corpus.
Search patents in F25B- Granted patents
- 162
- Published applications
- 168
- Assignees
- 89
- Inventors
- 376
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 3 |
| 2006 | 1 | 4 |
| 2007 | 2 | 4 |
| 2008 | 1 | 0 |
| 2009 | 0 | 5 |
| 2010 | 0 | 2 |
| 2011 | 1 | 5 |
| 2012 | 0 | 3 |
| 2013 | 3 | 3 |
| 2014 | 1 | 4 |
| 2015 | 3 | 10 |
| 2016 | 6 | 7 |
| 2017 | 6 | 11 |
| 2018 | 9 | 8 |
| 2019 | 14 | 9 |
| 2020 | 10 | 19 |
| 2021 | 14 | 12 |
| 2022 | 10 | 16 |
| 2023 | 13 | 15 |
| 2024 | 16 | 15 |
| 2025 | 15 | 7 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Refrigeration systems with a first compressor system and a second compressor system7 Jul 2026US 12,674,608 B2Hill Phoenix, Inc.
- System for controlling a defrost of a dual flow heat exchanger9 Jun 2026US 12,650,255 B2Mahle International GmbH
- Air-to-water heat pump system with defrosting unit and method of optimizing the operation of the air-to-water heat pump21 Apr 2026US 12,607,393 B2
- Method and device for controlling air conditioner24 Mar 2026US 12,584,665 B2Gd Midea Heating & Ventilating Equipment Co., Ltd.
- Demand defrost13 Jan 2026US 12,523,402 B2Copeland Comfort Control LP
- System for Controlling A Defrost of a Dual Flow Heat Exchanger10 Sep 2026US 2026/0266520 A1Mahle International GmbH
- Cooling storage, method for controlling cooling storage, and cooling storage management system27 Aug 2026US 2026/0248302 A1Panasonic Intellectual Property Management Co., Ltd.
- Quick co2 warm liquid defrost with additional heat23 Jul 2026US 2026/0210601 A1Heatcraft Refrigeration Products LLC
- Demand Defrost5 Mar 2026US 2026/0063343 A1Copeland Cold Chain LP
- Defrost systems and methods for heat pump water heaters5 Feb 2026US 2026/0036352 A1Rheem Manufacturing Company
Most cited
By later US patents
- Refrigerated container63US 5,187,945 AReefco Manufacturing Corporation · 1993
- Refrigeration system utilizing saturated gaseous refrigerant for defrost purposes43US 4,167,102 AEmhart Industries, Inc. · 1979
- Refrigerated display case37US 4,633,677 ASanden Corporation · 1987
- Frosting heat-pump dehumidifier with improved defrost36US 6,021,644 A2000
- Providing single servings of cooled foods and drinks32US 10,782,049 B1Sigma Phase, Corp. · 2020