B65D 2581/3421
Cooking pop-corn
B65D2581/3421 (Cooking pop-corn) appears on 171 US grants and 79 published applications in this corpus.
Search patents in B65D- Granted patents
- 171
- Published applications
- 79
- Assignees
- 63
- Inventors
- 236
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 10 | 0 |
| 1991 | 7 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 8 | 0 |
| 2000 | 12 | 0 |
| 2001 | 6 | 0 |
| 2002 | 2 | 7 |
| 2003 | 3 | 7 |
| 2004 | 1 | 4 |
| 2005 | 5 | 7 |
| 2006 | 3 | 5 |
| 2007 | 1 | 2 |
| 2008 | 3 | 5 |
| 2009 | 0 | 3 |
| 2010 | 0 | 2 |
| 2011 | 1 | 3 |
| 2012 | 2 | 5 |
| 2013 | 2 | 0 |
| 2014 | 5 | 3 |
| 2015 | 3 | 2 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 1 | 5 |
| 2020 | 2 | 3 |
| 2021 | 2 | 4 |
| 2022 | 2 | 1 |
| 2023 | 0 | 5 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Microwave popcorn bag4 Nov 2025US 12,459,722 B2ConAgra Foods RDM, Inc.
- Susceptor ink compositions for microwaveable packages14 Oct 2025US 12,441,903 B2Instituto TecnolóGico Del Embalaje, Transporte Y LogíStica (Itene)
- Microwave cooking package30 Jan 2024US 11,884,473 B2ConAgra Foods RDM, Inc.
- Pod-based grain popping apparatus and methods of popping grains18 Oct 2022US 11,470,867 B2Opopop, Inc.
- Pod-based grain popping apparatus and methods of popping grains23 Aug 2022US 11,419,356 B2Opopop, 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.
- Microwave cooking package17 Oct 2024US 2024/0343466 A1
- Fluorochemical-free microwave popcorn package and production process21 Dec 2023US 2023/0405960 A1
- Microwave Food Container21 Dec 2023US 2023/0406598 A1Inline Packaging, LLC
Most cited
By later US patents
- Composite masonry block173US 5,827,015 AAnchor Wall Systems, Inc. · 1998
- Flat-faced package for improving the microwave popping of corn154US 5,044,777 AGolden Valley Microwave Foods Inc. · 1991
- Composite masonry block139US 5,294,216 AAnchor Wall Systems, Inc. · 1994
- Flat bottomed stand-up microwave corn popping bag138US 5,195,829 AGolden Valley Microwave Foods Inc. · 1993
- Popcorn package for microwave popping121US 3,973,045 AThe Pillsbury Company · 1976