B65D 81/34
Containers, packaging elements, or packages, for contents presenting particular transport or storage
Official title: for packaging foodstuffs {or other articles} intended to be cooked or heated within the package
B65D81/34 (Containers, packaging elements, or packages, for contents presenting particular transport or storage) appears on 1,806 US grants and 1,833 published applications in this corpus.
Search patents in B65D- Granted patents
- 1,806
- Published applications
- 1,833
- Assignees
- 876
- Inventors
- 3,458
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 12 | 0 |
| 1978 | 8 | 0 |
| 1979 | 12 | 0 |
| 1980 | 12 | 0 |
| 1981 | 14 | 0 |
| 1982 | 14 | 0 |
| 1983 | 12 | 0 |
| 1984 | 11 | 0 |
| 1985 | 24 | 0 |
| 1986 | 18 | 0 |
| 1987 | 26 | 0 |
| 1988 | 36 | 0 |
| 1989 | 76 | 0 |
| 1990 | 80 | 0 |
| 1991 | 59 | 0 |
| 1992 | 59 | 0 |
| 1993 | 62 | 0 |
| 1994 | 55 | 0 |
| 1995 | 43 | 0 |
| 1996 | 38 | 0 |
| 1997 | 25 | 0 |
| 1998 | 32 | 0 |
| 1999 | 41 | 0 |
| 2000 | 40 | 0 |
| 2001 | 40 | 16 |
| 2002 | 26 | 36 |
| 2003 | 29 | 59 |
| 2004 | 23 | 50 |
| 2005 | 21 | 86 |
| 2006 | 28 | 78 |
| 2007 | 15 | 103 |
| 2008 | 24 | 79 |
| 2009 | 19 | 108 |
| 2010 | 33 | 85 |
| 2011 | 38 | 64 |
| 2012 | 43 | 64 |
| 2013 | 57 | 82 |
| 2014 | 56 | 87 |
| 2015 | 50 | 80 |
| 2016 | 52 | 87 |
| 2017 | 47 | 96 |
| 2018 | 44 | 85 |
| 2019 | 54 | 82 |
| 2020 | 43 | 80 |
| 2021 | 49 | 77 |
| 2022 | 51 | 68 |
| 2023 | 36 | 64 |
| 2024 | 32 | 49 |
| 2025 | 51 | 37 |
| 2026 | 26 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B65D 81/3446Specially adapted to be heated by microwaves1,325
- B65D 81/3484Packages having self-contained heating means163
- B65D 81/343Specially adapted to be heated in a conventional oven152
- B65D 81/3415Specially adapted to be heated in hot water72
- B65D 81/3476Packages provided with an electrical circuit40
- B65D 81/3438Specially adapted to be heated by steaming23
- B65D 81/3407Specially adapted to be heated over a heat source15
- B65D 81/3492Specially adapted to be heated in a toaster8
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.
- Thermoformable ovenable recyclable coated cellulosic board, ovenable recyclable coated cellulosic board food vessels thermoformed therefrom, and methods for manufacturing and using thereof29 Sep 2026US 12,747,540 B2WestRock MWV, LLC
- 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.
- Flavoring mechanism for steam oven8 Oct 2026US 2026/0305656 A1
- 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
- Heating lunch box17 Sep 2026US 2026/0282169 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