B65D 2581/3468
Microwave reactive material directly applied on paper substrate
B65D2581/3468 (Microwave reactive material directly applied on paper substrate) appears on 9 US grants and 8 published applications in this corpus.
Search patents in B65D- Granted patents
- 9
- Published applications
- 8
- Assignees
- 10
- Inventors
- 33
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Blanks, constructs, and associated methods for induction heating of food products3 Feb 2026US 12,540,023 B2Graphic Packaging International, Inc.
- Microwave heating sheet10 Jan 2023US 11,548,716 B2Food Industry Research and Development Institute
- Systems and methods for forming laminates5 Sep 2017US 9,751,288 B2Graphic Packaging International, Inc.
- Microwave cooking containers with shielding30 Jul 2013US 8,497,455 B2Bemis Company, Inc.
- Microwave oven heating element having broken loops5 Sep 2000US 6,114,679 AGraphic Packaging Corporation
- Blanks, Constructs, And Associated Methods For Induction Heating Of Food Products20 Jan 2022US 2022/0017285 A1Graphic Packaging International, Inc.
- Food packaging articles including substrates with metal nanoparticles14 Oct 2021US 2021/0321496 A1Folia Water, Inc.
- Convenient instant tapioca beverage pack26 Nov 2020US 2020/0367534 A1Lian Fa International Dining Business Corporation
- Microwave heating sheet1 Oct 2020US 2020/0307894 A1Food Industry Research and Development Institute
- Systems and methods for forming laminates23 Jun 2016US 2016/0176179 A1Graphic Packaging International, Inc.
Most cited
By later US patents
- Microwave oven heating element having broken loops175US 6,114,679 AGraphic Packaging Corporation · 2000
- Microwave heating material171US 4,936,935 ABeckett Industries Inc. · 1990
- Microwave heating material171US 4,963,424 ABeckett Industries Inc. · 1990
- Susceptor for heating foods in a microwave oven having metallized layer deposited on paper19US 4,970,360 AThe Pillsbury Company · 1990
- Reflective temperature compensating microwave susceptors16US 5,019,681 AThe Pillsbury Company · 1991