F21W 2131/305
For refrigerators
Official title: for refrigerators
F21W2131/305 (For refrigerators) appears on 282 US grants and 348 published applications in this corpus.
Search patents in F21W- Granted patents
- 282
- Published applications
- 348
- Assignees
- 142
- Inventors
- 598
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 4 |
| 2003 | 6 | 2 |
| 2004 | 2 | 2 |
| 2005 | 0 | 6 |
| 2006 | 3 | 8 |
| 2007 | 3 | 14 |
| 2008 | 6 | 15 |
| 2009 | 7 | 13 |
| 2010 | 8 | 16 |
| 2011 | 9 | 20 |
| 2012 | 8 | 11 |
| 2013 | 6 | 14 |
| 2014 | 8 | 16 |
| 2015 | 18 | 19 |
| 2016 | 10 | 24 |
| 2017 | 26 | 21 |
| 2018 | 19 | 19 |
| 2019 | 23 | 29 |
| 2020 | 31 | 16 |
| 2021 | 15 | 11 |
| 2022 | 6 | 8 |
| 2023 | 15 | 19 |
| 2024 | 7 | 16 |
| 2025 | 16 | 13 |
| 2026 | 12 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Refrigerator having panel assembly covering opening of outer plate of door1 Sep 2026US 12,721,454 B2LG Electronics Inc.
- Illuminated divider assembly for an appliance25 Aug 2026US 12,716,580 B1Haier US Appliance Solutions, Inc.
- Refrigerator and home appliance having a door with variable light emission18 Aug 2026US 12,710,218 B2LG Electronics Inc.
- Home appliance11 Aug 2026US 12,704,313 B2LG Electronics Inc.
- Refrigerator23 Jun 2026US 12,663,201 B2LG Electronics Inc.
- Lighting tube for refrigerator24 Sep 2026US 2026/0287130 A1Energyled Electronics Corporation
- Lighting tube for refrigerator24 Sep 2026US 2026/0287131 A1Energyled Electronics Corporation
- Lamp cover, lighting device, and storage compartment10 Sep 2026US 2026/0266446 A1Sharp Kabushiki Kaisha
- Refrigerator having panel assembly covering opening of outer plate of door2 Jul 2026US 2026/0182755 A1LG Electronics Inc.
- Refrigerator and method for opening a refrigerator door14 May 2026US 2026/0132980 A1LG Electronics Inc.
Most cited
By later US patents
- LED-based lamps223US 8,197,105 B2Intematix Corporation · 2012
- Illumination body for refrigeration devices177US 6,578,979 B2Lisa Lux GmbH · 2003
- Linear illumination lens with Fresnel facets138US 7,559,672 B1InteLED Corp. · 2009
- Low temperature LED lighting system102US 7,121,675 B22006
- See through refrigerator door construction100US 6,059,420 A2000