F25D 2317/067
Characterised by air ducts
Official title: characterised by air ducts
F25D2317/067 (Characterised by air ducts) appears on 594 US grants and 647 published applications in this corpus.
Search patents in F25D- Granted patents
- 594
- Published applications
- 647
- Assignees
- 146
- Inventors
- 1,395
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 11 | 0 |
| 1997 | 6 | 0 |
| 1998 | 22 | 0 |
| 1999 | 14 | 0 |
| 2000 | 17 | 0 |
| 2001 | 5 | 2 |
| 2002 | 8 | 5 |
| 2003 | 9 | 6 |
| 2004 | 12 | 15 |
| 2005 | 6 | 15 |
| 2006 | 7 | 22 |
| 2007 | 17 | 19 |
| 2008 | 6 | 13 |
| 2009 | 5 | 17 |
| 2010 | 8 | 38 |
| 2011 | 12 | 14 |
| 2012 | 5 | 10 |
| 2013 | 20 | 15 |
| 2014 | 10 | 10 |
| 2015 | 12 | 11 |
| 2016 | 14 | 21 |
| 2017 | 10 | 33 |
| 2018 | 22 | 44 |
| 2019 | 33 | 49 |
| 2020 | 35 | 48 |
| 2021 | 45 | 38 |
| 2022 | 42 | 52 |
| 2023 | 31 | 47 |
| 2024 | 39 | 47 |
| 2025 | 42 | 34 |
| 2026 | 30 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Carbon emissions reduction using environmental cooling15 Sep 2026US 12,736,269 B2International Business Machines Corporation
- Refrigerator25 Aug 2026US 12,716,637 B2LG Electronics Inc.
- Refrigerator appliance including a fresh food chamber cold wall25 Aug 2026US 12,716,638 B2Haier US Appliance Solutions, Inc.
- Refrigerator18 Aug 2026US 12,710,214 B2LG Electronics Inc.
- Refrigerator11 Aug 2026US 12,704,309 B2LG Electronics Inc.
- Refrigerator24 Sep 2026US 2026/0287234 A1LG Electronics Inc.
- Refrigerator17 Sep 2026US 2026/0276286 A1Samsung Electronics Co., Ltd.
- Refrigerator27 Aug 2026US 2026/0251374 A1Samsung Electronics Co., Ltd.
- Refrigerator having grille fan assembly6 Aug 2026US 2026/0227116 A1LG Electronics Inc.
- Refrigerator6 Aug 2026US 2026/0227117 A1LG Electronics Inc.
Most cited
By later US patents
- Refrigerator with intermediate temperature icemaking compartment157US 7,284,390 B2Whirlpool Corporation · 2007
- Multi-compartment refrigeration system107US 5,899,083 AWhirlpool Corporation · 1999
- Refrigerator evaporator housing84US 6,209,342 B1Camco, Incorporated · 2001
- Thermoelectric refrigerator77US 5,522,216 AMarlow Industries, Inc. · 1996
- Cargo container for transporting temperature sensitive items77US 7,913,511 B2Doubleday Acquisitions LLC · 2011