B65D 81/3476
Packages provided with an electrical circuit
Official title: {Packages provided with an electrical circuit, e.g. resistances, for heating the contents (microwave susceptors B65D2581/3463)}
B65D81/3476 (Packages provided with an electrical circuit) appears on 40 US grants and 39 published applications in this corpus.
Search patents in B65D- Granted patents
- 40
- Published applications
- 39
- Assignees
- 29
- Inventors
- 88
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 7 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 7 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 2 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 3 |
| 2020 | 1 | 4 |
| 2021 | 1 | 3 |
| 2022 | 2 | 4 |
| 2023 | 0 | 3 |
| 2024 | 0 | 0 |
| 2025 | 4 | 1 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heating lunch box30 Jun 2026US 12,672,208 B1
- Blanks, constructs, and associated methods for induction heating of food products3 Feb 2026US 12,540,023 B2Graphic Packaging International, Inc.
- Heating lunch box28 Oct 2025US 12,457,665 B1
- Multifunctional rechargeable heat preservation lunch box9 Sep 2025US 12,408,781 B1Shenzhen Zhimei Lianchuang Technology Co., LTD
- Portable food warmer8 Jul 2025US 12,349,833 B1
- Heating lunch box17 Sep 2026US 2026/0282169 A1
- Heating lunch box10 Sep 2026US 2026/0271137 A1
- Methods and systems for transporting temperature-sensitive products in cold environments16 Jul 2026US 2026/0200658 A1Illuminate Consulting, LLC
- Induction cooking vessel made from non-ferromagnetic materials16 Apr 2026US 2026/0103326 A1Kenyon International, Inc.
- Sustainable solar energy carrier13 Mar 2025US 2025/0085031 A1
Most cited
By later US patents
- Electrically heated pizza package87US 4,134,004 AAmerican Can Company · 1979
- Packaged meat sandwich49US 4,137,333 A1979
- Packaging having self-contained heater40US 6,541,744 B2Watlow Polymer Technologies · 2003
- Food transport container with integral heater35US 6,222,160 B1ATD Corporation · 2001
- Dual wrapper method of cooking a prepared meat product30US 4,154,860 A1979