B65D 2581/3401
Cooking or heating method specially adapted to the contents of the package
B65D2581/3401 (Cooking or heating method specially adapted to the contents of the package) appears on 623 US grants and 535 published applications in this corpus.
Search patents in B65D- Granted patents
- 623
- Published applications
- 535
- Assignees
- 302
- Inventors
- 1,198
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 9 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 10 | 0 |
| 1986 | 9 | 0 |
| 1987 | 7 | 0 |
| 1988 | 12 | 0 |
| 1989 | 27 | 0 |
| 1990 | 31 | 0 |
| 1991 | 22 | 0 |
| 1992 | 23 | 0 |
| 1993 | 18 | 0 |
| 1994 | 22 | 0 |
| 1995 | 10 | 0 |
| 1996 | 17 | 0 |
| 1997 | 12 | 0 |
| 1998 | 25 | 0 |
| 1999 | 17 | 0 |
| 2000 | 16 | 0 |
| 2001 | 25 | 4 |
| 2002 | 12 | 19 |
| 2003 | 13 | 32 |
| 2004 | 12 | 22 |
| 2005 | 13 | 30 |
| 2006 | 14 | 33 |
| 2007 | 6 | 35 |
| 2008 | 6 | 27 |
| 2009 | 3 | 31 |
| 2010 | 9 | 24 |
| 2011 | 11 | 18 |
| 2012 | 13 | 28 |
| 2013 | 18 | 21 |
| 2014 | 19 | 24 |
| 2015 | 12 | 17 |
| 2016 | 17 | 21 |
| 2017 | 9 | 17 |
| 2018 | 12 | 17 |
| 2019 | 14 | 26 |
| 2020 | 15 | 12 |
| 2021 | 7 | 18 |
| 2022 | 8 | 11 |
| 2023 | 2 | 16 |
| 2024 | 6 | 12 |
| 2025 | 14 | 13 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B65D 2581/3402Characterised by the type of product to be heated or cookedIndexing code547
- B65D 2581/3429Packages containing a secondary product to be cooked and discharged over theIndexing code92
- B65D 2581/3435Package specially adapted for defrosting the contents by microwave heatingIndexing code21
- B65D 2581/3436Doneness indicatorsIndexing code9
Recent patents
- Stackable container system for storing and reheating food slice29 Sep 2026US 12,747,065 B2Pie-Pod, LLC
- Food container and method and system for making and using the same25 Aug 2026US 12,715,676 B2Prima Chefs, Inc.
- Machine for cooking a dose of raw pasta in a container14 Jul 2026US 12,677,974 B2Pastificio Rana S.P.A.
- Closing device for a container9 Jun 2026US 12,649,614 B2
- Dual-layered food container17 Mar 2026US 12,577,024 B2
- Flavoring mechanism for steam oven8 Oct 2026US 2026/0305656 A1
- Food container30 Jul 2026US 2026/0217411 A1
- Boil Over Reduction Compositions for Microwave Cooking18 Jun 2026US 2026/0165355 A1General Mills, Inc.
- Induction cooking vessel made from non-ferromagnetic materials16 Apr 2026US 2026/0103326 A1Kenyon International, Inc.
- Microwave popcorn bag9 Apr 2026US 2026/0097893 A1ConAgra Foods RDM, Inc.
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 microwave susceptor213US 6,414,290 B1Graphic Packaging Corporation · 2002
- Controlled heating of foodstuffs by microwave energy202US 5,117,078 ABeckett Industries Inc. · 1992
- Patterned microwave susceptor element and microwave container incorporating same190US 6,717,121 B2Graphic Packaging International, Inc. · 2004