A47J 36/2494
Using heat storage elements or materials
Official title: {using heat storage elements or materials, e.g. lava stones}
A47J36/2494 (Using heat storage elements or materials) appears on 68 US grants and 73 published applications in this corpus.
Search patents in A47J- Granted patents
- 68
- Published applications
- 73
- Assignees
- 42
- Inventors
- 129
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 0 | 3 |
| 2013 | 1 | 2 |
| 2014 | 1 | 8 |
| 2015 | 2 | 5 |
| 2016 | 2 | 2 |
| 2017 | 2 | 6 |
| 2018 | 3 | 5 |
| 2019 | 4 | 1 |
| 2020 | 2 | 6 |
| 2021 | 3 | 8 |
| 2022 | 2 | 4 |
| 2023 | 9 | 4 |
| 2024 | 3 | 1 |
| 2025 | 4 | 6 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Food container and method and system for making and using the same25 Aug 2026US 12,715,676 B2Prima Chefs, Inc.
- Candle warming image display lamp10 Mar 2026US 12,569,584 B2
- Food container and method and system for making and using the same23 Dec 2025US 12,503,293 B2Prima Chefs, Inc.
- Food container and method and system for making and using the same19 Aug 2025US 12,391,458 B2Prima Chefs, Inc.
- Low-temperature cooking machine18 Feb 2025US 12,226,041 B2Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co., Ltd.
- Food transportation systems17 Sep 2026US 2026/0276240 A1Vesture Corporation
- Charging system and charging cradle for food transportation systems10 Sep 2026US 2026/0266508 A1Vesture Corporation
- Food container and method and system for making and using the same19 Feb 2026US 2026/0048922 A1Prima Chefs, Inc.
- Food container and method and system for making and using the same21 Aug 2025US 2025/0263220 A1Prima Chefs, Inc.
- Food transportation systems26 Jun 2025US 2025/0207818 A1Vesture Corporation
Most cited
By later US patents
- Heated or cooled dishware and drinkware169US 9,035,222 B2Oromo Technologies, Inc. · 2015
- Rechargeable phase change material unit and food warming device160US 5,884,006 A1999
- Heat retentive server with phase change core118US 4,982,722 AAladdin Synergetics, Inc. · 1991
- Heat retaining food container110US 5,052,369 A1991
- Food warning device containing a rechargeable phase change material108US 6,108,489 APhase Change Laboratories, Inc. · 2000