F25D 23/021
Sliding doors
Official title: {Sliding doors}
F25D23/021 (Sliding doors) appears on 331 US grants and 407 published applications in this corpus.
Search patents in F25D- Granted patents
- 331
- Published applications
- 407
- Assignees
- 90
- Inventors
- 627
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 4 |
| 2003 | 3 | 5 |
| 2004 | 2 | 5 |
| 2005 | 2 | 6 |
| 2006 | 2 | 21 |
| 2007 | 5 | 15 |
| 2008 | 6 | 12 |
| 2009 | 13 | 11 |
| 2010 | 6 | 17 |
| 2011 | 7 | 20 |
| 2012 | 13 | 15 |
| 2013 | 13 | 11 |
| 2014 | 9 | 13 |
| 2015 | 16 | 17 |
| 2016 | 21 | 15 |
| 2017 | 12 | 23 |
| 2018 | 18 | 23 |
| 2019 | 18 | 27 |
| 2020 | 25 | 29 |
| 2021 | 25 | 26 |
| 2022 | 28 | 25 |
| 2023 | 16 | 16 |
| 2024 | 20 | 13 |
| 2025 | 15 | 10 |
| 2026 | 5 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Refrigerator6 Oct 2026US 12,753,966 B2Samsung Electronics Co., Ltd.
- Door opening device and refrigerator having the same23 Jun 2026US 12,663,200 B2Samsung Electronics Co., Ltd.
- Refrigerator14 Apr 2026US 12,601,538 B2LG Electronics Inc.
- Dynamic adjustment of planograms on electronic door displays of refrigerated display cases3 Feb 2026US 12,541,297 B2Anthony, Inc.
- Refrigerator27 Jan 2026US 12,535,265 B2LG Electronics Inc.
- 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.
- Sliding door mechanism, door body assembly and refrigeration device24 Sep 2026US 2026/0287244 A1Hefei Hualing Co., Ltd.
- Door body assembly and refrigeration device10 Sep 2026US 2026/0266534 A1Hefei Hualing Co., Ltd.
Most cited
By later US patents
- Frost control system for high-speed horizontal folding doors160US 4,855,567 ARytec Corporation · 1989
- Drawer appliance102US 7,197,888 B2Whirlpool Corporation · 2007
- Point of sale product chiller90US 6,415,623 B1Cold-Sell Systems, L.L.C. · 2002
- Ice storage drawer for a bottom mount refrigerator77US 7,475,562 B2Maytag Corporation · 2009
- Storage arrangement and storage receptacle with storage arrangement67US 6,478,524 B1Liconic AG · 2002