B65D 2581/3463
Means for applying microwave reactive material to the package
B65D2581/3463 (Means for applying microwave reactive material to the package) appears on 228 US grants and 96 published applications in this corpus.
Search patents in B65D- Granted patents
- 228
- Published applications
- 96
- Assignees
- 88
- Inventors
- 353
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 14 | 0 |
| 1990 | 21 | 0 |
| 1991 | 15 | 0 |
| 1992 | 22 | 0 |
| 1993 | 20 | 0 |
| 1994 | 22 | 0 |
| 1995 | 9 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 3 |
| 2002 | 6 | 3 |
| 2003 | 2 | 11 |
| 2004 | 8 | 6 |
| 2005 | 4 | 4 |
| 2006 | 3 | 9 |
| 2007 | 0 | 7 |
| 2008 | 2 | 4 |
| 2009 | 3 | 8 |
| 2010 | 1 | 8 |
| 2011 | 3 | 2 |
| 2012 | 3 | 5 |
| 2013 | 4 | 1 |
| 2014 | 2 | 1 |
| 2015 | 2 | 1 |
| 2016 | 2 | 4 |
| 2017 | 1 | 4 |
| 2018 | 0 | 2 |
| 2019 | 2 | 0 |
| 2020 | 3 | 3 |
| 2021 | 2 | 2 |
| 2022 | 1 | 2 |
| 2023 | 2 | 3 |
| 2024 | 0 | 1 |
| 2025 | 3 | 0 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B65D 2581/3466Microwave reactive material applied by vacuum, sputter or vapor depositionIndexing code126
- B65D 2581/3464Microwave reactive material applied by ink printingIndexing code73
- B65D 2581/3467Microwave reactive layer shaped by delamination, demetallizing or embossingIndexing code48
- B65D 2581/3468Microwave reactive material directly applied on paper substrateIndexing code9
- B65D 2581/347Microwave reactive material moulded with the containerIndexing code8
Recent patents
- Blanks, constructs, and associated methods for induction heating of food products3 Feb 2026US 12,540,023 B2Graphic Packaging International, Inc.
- Packaging bag27 Jan 2026US 12,534,280 B2Kyoraku Co., Ltd.
- Susceptor ink compositions for microwaveable packages14 Oct 2025US 12,441,903 B2Instituto TecnolóGico Del Embalaje, Transporte Y LogíStica (Itene)
- Container with liner19 Aug 2025US 12,391,456 B2Graphic Packaging International, Inc.
- Biodegradable microwave susceptor21 Jan 2025US 12,207,378 B2Inline Packaging, LLC
- Microwave heatable film, microwave heatable package, and method for producing microwave heatable film8 Oct 2026US 2026/0307883 A1Ricoh Company, Ltd.
- Tray with compartments21 May 2026US 2026/0138807 A1Graphic Packaging International, Inc.
- Set for microwave heating and package4 Jan 2024US 2024/0002129 A1Ajinomoto Co., Inc.
- Microwave Food Container21 Dec 2023US 2023/0406598 A1Inline Packaging, LLC
- Biodegradable Microwave Susceptor16 Nov 2023US 2023/0371142 A1Inline Packaging, LLC
Most cited
By later US patents
- 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
- Microwave susceptor with separate attenuator for heat control217US 5,285,040 AGolden Valley Microwave Foods Inc. · 1994