B65D 2581/344
Geometry or shape factors influencing the microwave heating properties
B65D2581/344 (Geometry or shape factors influencing the microwave heating properties) appears on 233 US grants and 116 published applications in this corpus.
Search patents in B65D- Granted patents
- 233
- Published applications
- 116
- Assignees
- 86
- Inventors
- 333
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 14 | 0 |
| 1990 | 15 | 0 |
| 1991 | 12 | 0 |
| 1992 | 13 | 0 |
| 1993 | 15 | 0 |
| 1994 | 17 | 0 |
| 1995 | 10 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 3 |
| 2002 | 8 | 2 |
| 2003 | 3 | 5 |
| 2004 | 4 | 7 |
| 2005 | 2 | 6 |
| 2006 | 3 | 8 |
| 2007 | 0 | 10 |
| 2008 | 3 | 5 |
| 2009 | 4 | 13 |
| 2010 | 2 | 4 |
| 2011 | 7 | 7 |
| 2012 | 2 | 8 |
| 2013 | 8 | 2 |
| 2014 | 10 | 8 |
| 2015 | 2 | 2 |
| 2016 | 1 | 6 |
| 2017 | 10 | 3 |
| 2018 | 3 | 5 |
| 2019 | 4 | 4 |
| 2020 | 3 | 2 |
| 2021 | 4 | 2 |
| 2022 | 3 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Energy control elements for improved microwave heating of packaged articles20 May 2025US 12,309,905 B2915 Labs, LLC
- Container structure2 Apr 2024US 11,945,639 B2Ponopack Co., Ltd.
- Injection-molded composite construct18 Oct 2022US 11,472,592 B2Graphic Packaging International, Inc.
- Patterned dual susceptor9 Aug 2022US 11,407,576 B2Schwan's Global Supply Chain, Inc.
- Reusable microwaveable vessel9 Aug 2022US 11,412,583 B2Societe des Produits Nestle S. A.
- Microwave heatable film, microwave heatable package, and method for producing microwave heatable film8 Oct 2026US 2026/0307883 A1Ricoh Company, Ltd.
- Microwave food product with vent for roasting8 Feb 2024US 2024/0043195 A1
- Container structure16 Mar 2023US 2023/0085496 A1Ponopack Co., Ltd.
- Rotating structure and container using rotating structure1 Sep 2022US 2022/0274762 A1Cj Cheiljedang Corporation
- Energy control elements for improved microwave heating of packaged articles16 Sep 2021US 2021/0289595 A1915 Labs, LLC
Most cited
By later US patents
- 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
- Microwave susceptor with separate attenuator for heat control217US 5,285,040 AGolden Valley Microwave Foods Inc. · 1994
- Abuse-tolerant metallic packaging materials for microwave cooking213US 6,204,492 B1Graphic Packaging Corporation · 2001
- Patterned microwave susceptor213US 6,414,290 B1Graphic Packaging Corporation · 2002