A47J 39/00
Heat-insulated warming chambers
Official title: Heat-insulated warming chambers; Cupboards with heating arrangements for warming kitchen utensils
A47J39/00 (Heat-insulated warming chambers) appears on 609 US grants and 569 published applications in this corpus.
Search patents in A47J- Granted patents
- 609
- Published applications
- 569
- Assignees
- 259
- Inventors
- 1,103
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 12 | 0 |
| 1978 | 11 | 0 |
| 1979 | 8 | 0 |
| 1980 | 15 | 0 |
| 1981 | 9 | 0 |
| 1982 | 10 | 0 |
| 1983 | 8 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 14 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 11 | 0 |
| 1993 | 10 | 0 |
| 1994 | 7 | 0 |
| 1995 | 9 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 10 | 0 |
| 1999 | 14 | 0 |
| 2000 | 10 | 0 |
| 2001 | 9 | 2 |
| 2002 | 15 | 16 |
| 2003 | 18 | 17 |
| 2004 | 8 | 15 |
| 2005 | 7 | 20 |
| 2006 | 8 | 14 |
| 2007 | 10 | 13 |
| 2008 | 7 | 21 |
| 2009 | 3 | 24 |
| 2010 | 8 | 16 |
| 2011 | 12 | 22 |
| 2012 | 14 | 16 |
| 2013 | 15 | 22 |
| 2014 | 14 | 37 |
| 2015 | 14 | 24 |
| 2016 | 14 | 22 |
| 2017 | 14 | 25 |
| 2018 | 35 | 28 |
| 2019 | 32 | 41 |
| 2020 | 21 | 28 |
| 2021 | 25 | 33 |
| 2022 | 19 | 24 |
| 2023 | 23 | 18 |
| 2024 | 15 | 28 |
| 2025 | 20 | 21 |
| 2026 | 5 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Integrated and compartmentalized system and method for food storage and processing1 Sep 2026US 12,727,058 B2Pahmet LLC
- Air fryer28 Jul 2026US 12,690,715 B2Ib Appliances US Holdings, LLC
- Facility for thawing or tempering frozen food products19 May 2026US 12,628,838 B2Provisur Technologies, Inc.
- Decorative holder for foodstuff trays, tins, and pans10 Feb 2026US 12,543,888 B2Sugar Beets, LLC
- Food serving station and associated appliances and methods6 Jan 2026US 12,514,402 B2Duke Manufacturing Co.
- Food tray and vacuum sealer including same10 Sep 2026US 2026/0264905 A1Guangzhou Argion Electric Appliance Co., Ltd.
- Mobile food transportation system with humidity control30 Jul 2026US 2026/0217441 A1CFA Properties, Inc.
- Food warming pad16 Jul 2026US 2026/0206100 A1Guangdong Willing Technology Corporation
- Warming Holding Cabinet2 Jul 2026US 2026/0182781 A1Carter-Hoffmann LLC
- Integrated system for food preparation and warming25 Jun 2026US 2026/0174283 A1Culinex Inc.
Most cited
By later US patents
- Heated or cooled dishware and drinkware169US 9,035,222 B2Oromo Technologies, Inc. · 2015
- Cooked food staging device and method141US 5,724,886 ARestaurant Technology, Inc. · 1998
- Heat insulating cooking vessel140US 5,251,542 ANippon Sanso Corporation · 1993
- Storage device for processed foods119US 4,426,923 A1984
- High temperature adiabatic cooking device119US 5,355,777 A1994