A47G 23/04
Containers with means for keeping food cool or hot
Official title: Containers with means for keeping food cool or hot ({A47G19/027, A47G19/127, A47G19/2288, A47G19/285, A47G23/0313 take precedence; } for butter or cheese A47G19/26 {; thermally insulated vessels A47J41/00})
A47G23/04 (Containers with means for keeping food cool or hot) appears on 76 US grants and 51 published applications in this corpus.
Search patents in A47G- Granted patents
- 76
- Published applications
- 51
- Assignees
- 33
- Inventors
- 132
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 4 | 3 |
| 2015 | 2 | 4 |
| 2016 | 3 | 2 |
| 2017 | 1 | 6 |
| 2018 | 3 | 3 |
| 2019 | 6 | 4 |
| 2020 | 2 | 2 |
| 2021 | 4 | 3 |
| 2022 | 3 | 5 |
| 2023 | 2 | 2 |
| 2024 | 3 | 2 |
| 2025 | 1 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electronic stove and universal power supply4 Aug 2026US 12,698,904 B2
- Decorative holder for foodstuff trays, tins, and pans10 Feb 2026US 12,543,888 B2Sugar Beets, LLC
- Multifunctional rechargeable heat preservation lunch box9 Sep 2025US 12,408,781 B1Shenzhen Zhimei Lianchuang Technology Co., LTD
- Temperature-regulation receptacle system24 Dec 2024US 12,171,350 B2VoChill Inc.
- Temperature reducing systems and methods30 Jul 2024US 12,048,384 B2
- Structural Shell Insert for Soft-Shell Lunchboxes23 Jul 2026US 2026/0206930 A1
- Portable container system12 Feb 2026US 2026/0042582 A1YETI Coolers, LLC
- Decorative holder for foodstuff trays, tins, and pans14 Aug 2025US 2025/0255432 A1Sugar Beets, LLC
- Temperature-regulation receptacle system13 Mar 2025US 2025/0082122 A1VoChill Inc.
- Sanitary Food Delivery Container Device13 Jun 2024US 2024/0188698 A1
Most cited
By later US patents
- Warming devices and method using a material with a solid-solid phase change133US 4,983,798 A1991
- Heat retentive food servingware with temperature self-regulating phase change core114US 5,954,984 AThermal Solutions, Inc. · 1999
- Heavy duty insulated beverage dispenser and cooler102US 9,878,841 B2High Performance Coolers LLC · 2018
- Chilled service bowl82US 5,718,124 A1998
- Salad bowl having a refrigerant chamber76US 5,345,784 A1994