B65D 2581/3497
Attached to the side walls
Official title: attached to the side walls
B65D2581/3497 (Attached to the side walls) appears on 35 US grants and 53 published applications in this corpus.
Search patents in B65D- Granted patents
- 35
- Published applications
- 53
- Assignees
- 22
- Inventors
- 97
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 2 | 0 |
| 2003 | 0 | 5 |
| 2004 | 5 | 4 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 1 | 6 |
| 2010 | 0 | 3 |
| 2011 | 3 | 5 |
| 2012 | 0 | 2 |
| 2013 | 2 | 1 |
| 2014 | 3 | 5 |
| 2015 | 2 | 1 |
| 2016 | 1 | 1 |
| 2017 | 3 | 1 |
| 2018 | 1 | 1 |
| 2019 | 3 | 4 |
| 2020 | 1 | 2 |
| 2021 | 2 | 4 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. 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.
- Energy control elements for improved microwave heating of packaged articles20 May 2025US 12,309,905 B2915 Labs, LLC
- Bag-like container4 Mar 2025US 12,240,678 B2Daiwa Can Company
- 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.
- Microwavable Package Having Susceptors2 May 2024US 2024/0140679 A1
- Blanks, Constructs, And Associated Methods For Induction Heating Of Food Products20 Jan 2022US 2022/0017285 A1Graphic Packaging International, Inc.
- Microwaveable packaged food product30 Dec 2021US 2021/0403222 A1Hormel Foods Corporation
- Energy control elements for improved microwave heating of packaged articles16 Sep 2021US 2021/0289595 A1915 Labs, LLC
- Microwavable food container22 Apr 2021US 2021/0114793 A1Packaging Concepts, Inc.
Most cited
By later US patents
- Patterned microwave susceptor element and microwave container incorporating same190US 6,717,121 B2Graphic Packaging International, Inc. · 2004
- Bulk enhanced paperboard and shaped products made therefrom117US 6,379,497 B1Fort James Corporation · 2002
- Microwave package and support tray with features for uniform crust heating92US 6,359,272 B1Schwan's Sales Enterprises, Inc. · 2002
- Hand-held food package74US 6,683,289 B2Mars, Incorporated · 2004
- Semi-rigid hand-held food package68US 6,744,028 B2Mars, Incorporated · 2004