A47J 36/24
Warming devices
A47J36/24 (Warming devices) appears on 1,058 US grants and 1,152 published applications in this corpus.
Search patents in A47J- Granted patents
- 1,058
- Published applications
- 1,152
- Assignees
- 537
- Inventors
- 2,132
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 7 | 0 |
| 1980 | 8 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 10 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 19 | 0 |
| 1989 | 16 | 0 |
| 1990 | 14 | 0 |
| 1991 | 24 | 0 |
| 1992 | 9 | 0 |
| 1993 | 16 | 0 |
| 1994 | 19 | 0 |
| 1995 | 22 | 0 |
| 1996 | 12 | 0 |
| 1997 | 10 | 0 |
| 1998 | 13 | 0 |
| 1999 | 31 | 0 |
| 2000 | 27 | 0 |
| 2001 | 28 | 10 |
| 2002 | 29 | 40 |
| 2003 | 29 | 25 |
| 2004 | 22 | 36 |
| 2005 | 29 | 37 |
| 2006 | 22 | 39 |
| 2007 | 15 | 46 |
| 2008 | 7 | 40 |
| 2009 | 6 | 27 |
| 2010 | 14 | 32 |
| 2011 | 21 | 31 |
| 2012 | 17 | 46 |
| 2013 | 18 | 29 |
| 2014 | 20 | 56 |
| 2015 | 33 | 59 |
| 2016 | 34 | 43 |
| 2017 | 35 | 50 |
| 2018 | 42 | 60 |
| 2019 | 44 | 67 |
| 2020 | 40 | 77 |
| 2021 | 43 | 59 |
| 2022 | 41 | 66 |
| 2023 | 55 | 47 |
| 2024 | 44 | 53 |
| 2025 | 40 | 43 |
| 2026 | 25 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A47J 36/2483With electrical heating means308
- A47J 36/28Warming devices generating the heat by exothermic reactions169
- A47J 36/26Devices for warming vessels containing drinks or food, especially by means of148
- A47J 36/2411Baby bottle warmers143
- A47J 36/2444Drinking cups with heating means101
- A47J 36/2405For warming food contained in vessels immersed in a water bath89
- A47J 36/2494Using heat storage elements or materials68
- A47J 36/30Devices for warming by making use of burning cartridges or other chemical47
All 9 subgroupsShow fewer
Recent patents
- Pellet grill22 Sep 2026US 12,740,669 B2WH Products, LLC
- Beverage heating receptacle device8 Sep 2026US 12,727,711 B2
- Food container and method and system for making and using the same25 Aug 2026US 12,715,676 B2Prima Chefs, Inc.
- Energy transmission device and heat exchange device18 Aug 2026US 12,710,206 B2
- Heated food container11 Aug 2026US 12,702,251 B2
- Food processing device capable of food heating and self-cleaning and food processing method thereof8 Oct 2026US 2026/0305860 A1Yo-Kai Express Inc.
- Portable Cooking and Warming Device8 Oct 2026US 2026/0305871 A1
- Smart food warming apparatus1 Oct 2026US 2026/0294165 A1Guangdong Good Impression Innovation Technology 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
Most cited
By later US patents
- Contactless energy transfer apparatus265US 6,331,744 B1Light Sciences Corporation · 2001
- Vehicle thermoelectric cooling and heating food and drink appliance197US 4,823,554 A1989
- Rechargeable temperature regulating device for controlling the temperature of a beverage or other object181US 5,269,368 AVacu-Products B.V. · 1993
- 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