B65D 81/3446
Specially adapted to be heated by microwaves
Official title: {specially adapted to be heated by microwaves}
B65D81/3446 (Specially adapted to be heated by microwaves) appears on 1,325 US grants and 1,229 published applications in this corpus.
Search patents in B65D- Granted patents
- 1,325
- Published applications
- 1,229
- Assignees
- 580
- Inventors
- 2,356
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 11 | 0 |
| 1981 | 11 | 0 |
| 1982 | 9 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 15 | 0 |
| 1986 | 16 | 0 |
| 1987 | 22 | 0 |
| 1988 | 25 | 0 |
| 1989 | 65 | 0 |
| 1990 | 74 | 0 |
| 1991 | 49 | 0 |
| 1992 | 51 | 0 |
| 1993 | 55 | 0 |
| 1994 | 49 | 0 |
| 1995 | 30 | 0 |
| 1996 | 28 | 0 |
| 1997 | 17 | 0 |
| 1998 | 27 | 0 |
| 1999 | 31 | 0 |
| 2000 | 32 | 0 |
| 2001 | 28 | 12 |
| 2002 | 21 | 20 |
| 2003 | 18 | 50 |
| 2004 | 16 | 39 |
| 2005 | 19 | 57 |
| 2006 | 20 | 58 |
| 2007 | 10 | 83 |
| 2008 | 19 | 60 |
| 2009 | 16 | 89 |
| 2010 | 27 | 59 |
| 2011 | 34 | 48 |
| 2012 | 36 | 51 |
| 2013 | 38 | 50 |
| 2014 | 45 | 58 |
| 2015 | 34 | 41 |
| 2016 | 29 | 55 |
| 2017 | 31 | 60 |
| 2018 | 30 | 54 |
| 2019 | 37 | 48 |
| 2020 | 28 | 50 |
| 2021 | 27 | 41 |
| 2022 | 31 | 42 |
| 2023 | 23 | 38 |
| 2024 | 18 | 32 |
| 2025 | 30 | 22 |
| 2026 | 16 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Stackable container system for storing and reheating food slice29 Sep 2026US 12,747,065 B2Pie-Pod, LLC
- Pressure relief container for food to be heated and box having said container29 Sep 2026US 12,747,082 B2South Plastic Industry Co., Ltd.
- Liquid oil-based fat system composition for microwave popcorn22 Sep 2026US 12,740,579 B2ConAgra Foods RDM, Inc.
- Container with liner8 Sep 2026US 12,729,035 B2Graphic Packaging International, Inc.
- Liquid oil-based fat system composition for microwave popcorn18 Aug 2026US 12,708,126 B2ConAgra Foods RDM, Inc.
- Microwave heatable film, microwave heatable package, and method for producing microwave heatable film8 Oct 2026US 2026/0307883 A1Ricoh Company, Ltd.
- On The Go Bag24 Sep 2026US 2026/0285575 A1
- Microwave heating film and method for manufacturing microwave heating film24 Sep 2026US 2026/0285576 A1
- Microwave-induced exothermic composition, microwave-induced exothermic layer, microwave-induced exothermic film, microwave-induced exothermic package, and method for producing microwave-induced exothermic film13 Aug 2026US 2026/0233921 A1
- Food container30 Jul 2026US 2026/0217411 A1
Most cited
By later US patents
- Gas permeable microwave reactive package470US 4,896,009 AJames River Corporation · 1990
- Microwave heating package and method297US 4,190,757 AThe Pillsbury Company · 1980
- Patterned metal foil laminate and method for making same274US 5,800,724 AFort James Corporation · 1998
- Insulating microwave interactive packaging250US 7,019,271 B2Graphic Packaging International, Inc. · 2006
- Packaged food item and method for achieving microwave browning thereof228US 4,267,420 AGeneral Mills, Inc. · 1981