F25D 23/02
Doors
Official title: Doors; Covers (F25D23/08 takes precedence {locks or fastenings E05B65/0042})
F25D23/02 (Doors) appears on 3,675 US grants and 4,395 published applications in this corpus.
Search patents in F25D- Granted patents
- 3,675
- Published applications
- 4,395
- Assignees
- 590
- Inventors
- 5,117
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 9 | 0 |
| 1986 | 7 | 0 |
| 1987 | 12 | 0 |
| 1988 | 14 | 0 |
| 1989 | 10 | 0 |
| 1990 | 23 | 0 |
| 1991 | 8 | 0 |
| 1992 | 11 | 0 |
| 1993 | 16 | 0 |
| 1994 | 18 | 0 |
| 1995 | 14 | 0 |
| 1996 | 17 | 0 |
| 1997 | 10 | 0 |
| 1998 | 26 | 0 |
| 1999 | 25 | 0 |
| 2000 | 32 | 0 |
| 2001 | 22 | 9 |
| 2002 | 31 | 31 |
| 2003 | 30 | 51 |
| 2004 | 31 | 62 |
| 2005 | 23 | 74 |
| 2006 | 36 | 106 |
| 2007 | 38 | 68 |
| 2008 | 38 | 128 |
| 2009 | 58 | 110 |
| 2010 | 72 | 182 |
| 2011 | 66 | 126 |
| 2012 | 101 | 94 |
| 2013 | 115 | 124 |
| 2014 | 110 | 144 |
| 2015 | 116 | 140 |
| 2016 | 163 | 236 |
| 2017 | 157 | 257 |
| 2018 | 205 | 320 |
| 2019 | 296 | 277 |
| 2020 | 293 | 289 |
| 2021 | 225 | 262 |
| 2022 | 231 | 256 |
| 2023 | 230 | 314 |
| 2024 | 268 | 284 |
| 2025 | 266 | 251 |
| 2026 | 157 | 200 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Storehouse6 Oct 2026US 12,753,965 B2LG Electronics Inc.
- Refrigerator6 Oct 2026US 12,753,966 B2Samsung Electronics Co., Ltd.
- Refrigerator having door position adjustment device29 Sep 2026US 12,747,907 B2Samsung Electronics Co., Ltd.
- Refrigerator29 Sep 2026US 12,747,908 B2LG Electronics Inc.
- Refrigerator22 Sep 2026US 12,742,139 B2LG Electronics Inc.
- Door-in-door refrigerator8 Oct 2026US 2026/0308959 A1Haier Smart Home Co., Ltd.
- Sliding door apparatus, door body assembly, and refrigeration device8 Oct 2026US 2026/0309401 A1Hefei Hualing Co., Ltd.
- Door body assembly for built-in refrigeration device, and refrigeration device8 Oct 2026US 2026/0309402 A1Hefei Hualing Co., Ltd.
- Refrigerator8 Oct 2026US 2026/0309403 A1LG Electronics Inc.
- Bottle refrigeration device8 Oct 2026US 2026/0309408 A1Chiller Concept
Most cited
By later US patents
- Thermoelectric cooler and warmer for food with table top tray173US 5,860,281 AIgloo Products Corp. · 1999
- Refrigerator incorporating french doors with rotating mullion bar172US 7,008,032 B2Maytag Corporation · 2006
- Ice making system for a refrigerator161US 6,148,624 AWhirlpool Corporation · 2000
- Frost control system for high-speed horizontal folding doors160US 4,855,567 ARytec Corporation · 1989
- Air hood136US 10,077,933 B2Colmac Coil Manufacturing, Inc. · 2018