F25D 2321/00
Details or arrangements for defrosting
Official title: Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
F25D2321/00 (Details or arrangements for defrosting) appears on 324 US grants and 352 published applications in this corpus.
Search patents in F25D- Granted patents
- 324
- Published applications
- 352
- Assignees
- 160
- Inventors
- 876
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 2 |
| 2003 | 5 | 6 |
| 2004 | 5 | 14 |
| 2005 | 8 | 10 |
| 2006 | 7 | 4 |
| 2007 | 6 | 8 |
| 2008 | 4 | 14 |
| 2009 | 1 | 13 |
| 2010 | 3 | 11 |
| 2011 | 10 | 13 |
| 2012 | 5 | 11 |
| 2013 | 6 | 8 |
| 2014 | 6 | 4 |
| 2015 | 3 | 13 |
| 2016 | 6 | 11 |
| 2017 | 10 | 14 |
| 2018 | 16 | 18 |
| 2019 | 14 | 19 |
| 2020 | 17 | 21 |
| 2021 | 9 | 22 |
| 2022 | 20 | 29 |
| 2023 | 23 | 24 |
| 2024 | 19 | 30 |
| 2025 | 20 | 21 |
| 2026 | 20 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Evaporation tray for refrigerator condensation water15 Sep 2026US 12,736,272 B2I.R.C.A. S.P.A. Industria Resistenze Corazzate E Affini
- Storehouse having a heater for a heat exchanger1 Sep 2026US 12,723,800 B2LG Electronics Inc.
- Refrigeration appliance1 Sep 2026US 12,723,801 B2Electrolux Appliances Aktiebolag
- Refrigerator18 Aug 2026US 12,710,213 B2LG Electronics Inc.
- Heat exchanger assembly for a refrigeration device, and refrigeration device comprising same18 Aug 2026US 12,710,216 B2BSH Hausgeräte GmbH
- Magnetic field fresh-keeping apparatus and air-cooled refrigeration device8 Oct 2026US 2026/0309405 A1Haier Smart Home Co., Ltd.
- Evaporation tray for condensation water17 Sep 2026US 2026/0276291 A1I.R.C.A. S.P.A. Industria Resistenze Corazzate E Affini
- Storehouse27 Aug 2026US 2026/0251376 A1LG Electronics Inc.
- Biological sample storage device and inlet-outlet housing component thereof27 Aug 2026US 2026/0251382 A1Genepoint Technologies (Shanghai) Co., Ltd.
- Freezer Malfunction Notification Device18 Jun 2026US 2026/0168718 A1
Most cited
By later US patents
- Refrigerator with storage compartments and dispensing means89US 5,570,587 AGoldstar Co., Ltd. · 1996
- Multi-compartment refrigerator control algorithm for variable speed evaporator fan motor82US 6,725,680 B1Whirlpool Corporation · 2004
- Thermoelectric humidity pump and method for dehumidfying of an electronic apparatus70US 5,884,486 ANorthern Telecom Limited · 1999
- Insulated food carrier and organizer66US 7,861,552 B12011
- Condensate liquid management system for air conditioner65US 5,682,757 ASmart Power Systems, Inc. · 1997