B65D 81/3453
Rigid containers
Official title: {Rigid containers, e.g. trays, bottles, boxes, cups}
B65D81/3453 (Rigid containers) appears on 740 US grants and 745 published applications in this corpus.
Search patents in B65D- Granted patents
- 740
- Published applications
- 745
- Assignees
- 355
- Inventors
- 1,421
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 10 | 0 |
| 1986 | 12 | 0 |
| 1987 | 15 | 0 |
| 1988 | 14 | 0 |
| 1989 | 34 | 0 |
| 1990 | 31 | 0 |
| 1991 | 20 | 0 |
| 1992 | 25 | 0 |
| 1993 | 17 | 0 |
| 1994 | 23 | 0 |
| 1995 | 12 | 0 |
| 1996 | 16 | 0 |
| 1997 | 7 | 0 |
| 1998 | 15 | 0 |
| 1999 | 12 | 0 |
| 2000 | 14 | 0 |
| 2001 | 21 | 8 |
| 2002 | 11 | 12 |
| 2003 | 12 | 38 |
| 2004 | 13 | 23 |
| 2005 | 11 | 35 |
| 2006 | 11 | 37 |
| 2007 | 6 | 58 |
| 2008 | 16 | 41 |
| 2009 | 11 | 58 |
| 2010 | 17 | 32 |
| 2011 | 29 | 35 |
| 2012 | 23 | 22 |
| 2013 | 24 | 27 |
| 2014 | 30 | 32 |
| 2015 | 16 | 24 |
| 2016 | 12 | 34 |
| 2017 | 18 | 37 |
| 2018 | 22 | 41 |
| 2019 | 23 | 24 |
| 2020 | 19 | 26 |
| 2021 | 15 | 21 |
| 2022 | 21 | 22 |
| 2023 | 12 | 21 |
| 2024 | 15 | 19 |
| 2025 | 18 | 12 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stackable container system for storing and reheating food slice29 Sep 2026US 12,747,065 B2Pie-Pod, LLC
- Pressure relief container for food to be heated and box having said container29 Sep 2026US 12,747,082 B2South Plastic Industry Co., Ltd.
- Container with liner8 Sep 2026US 12,729,035 B2Graphic Packaging International, Inc.
- Blanks, constructs, and associated methods for induction heating of food products3 Feb 2026US 12,540,023 B2Graphic Packaging International, Inc.
- Polypropylene coated paper and paperboard3 Feb 2026US 12,540,439 B2Stora Enso OYJ
- Microwave-induced exothermic composition, microwave-induced exothermic layer, microwave-induced exothermic film, microwave-induced exothermic package, and method for producing microwave-induced exothermic film13 Aug 2026US 2026/0233921 A1
- Food container30 Jul 2026US 2026/0217411 A1
- One-way valve for a food package23 Jul 2026US 2026/0208936 A1Micvac AB
- Tray with compartments21 May 2026US 2026/0138807 A1Graphic Packaging International, Inc.
- Defrosting container for frozen sushi26 Mar 2026US 2026/0084885 A1Kabushiki Kaisha B&T Marine Products Company
Most cited
By later US patents
- Insulating microwave interactive packaging250US 7,019,271 B2Graphic Packaging International, Inc. · 2006
- Methods and devices used in the microwave heating of foods and other materials209US 5,519,195 ABeckett Technologies Corp. · 1996
- Controlled heating of foodstuffs by microwave energy202US 5,117,078 ABeckett Industries Inc. · 1992
- Microwavable container having active microwave energy heating elements for combined bulk and surface heating201US 6,150,646 AGraphic Packaging Corporation · 2000
- Patterned microwave susceptor element and microwave container incorporating same190US 6,717,121 B2Graphic Packaging International, Inc. · 2004