B65D 5/18
Rigid or semi-rigid containers of polygonal cross-section: by folding a single blank
Official title: by folding a single blank to U-shape to form the base of the container and opposite sides of the body portion, the remaining sides being formed primarily by extensions of one or more of these opposite sides, e.g. flaps hinged thereto (specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections B65D5/36)
B65D5/18 (Rigid or semi-rigid containers of polygonal cross-section: by folding a single blank) appears on 220 US grants and 214 published applications in this corpus.
Search patents in B65D- Granted patents
- 220
- Published applications
- 214
- Assignees
- 140
- Inventors
- 402
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 1 |
| 2003 | 1 | 3 |
| 2004 | 1 | 6 |
| 2005 | 0 | 9 |
| 2006 | 5 | 15 |
| 2007 | 7 | 7 |
| 2008 | 3 | 8 |
| 2009 | 3 | 6 |
| 2010 | 4 | 11 |
| 2011 | 4 | 5 |
| 2012 | 4 | 8 |
| 2013 | 2 | 5 |
| 2014 | 9 | 11 |
| 2015 | 4 | 9 |
| 2016 | 5 | 6 |
| 2017 | 8 | 15 |
| 2018 | 12 | 7 |
| 2019 | 11 | 6 |
| 2020 | 5 | 14 |
| 2021 | 3 | 10 |
| 2022 | 12 | 14 |
| 2023 | 19 | 15 |
| 2024 | 11 | 4 |
| 2025 | 5 | 12 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Protective packaging for items12 May 2026US 12,623,833 B2Agile Box Ltd
- Retail packaging for angular brush14 Apr 2026US 12,600,521 B2Zibra, LLC
- Folded laminate blank and a pack formed therefrom16 Sep 2025US 12,415,650 B2ProAmpac Holdings Inc.
- Container with integral condiment pocket9 Sep 2025US 12,409,970 B2Pactiv Corporation
- Tray for food products5 Aug 2025US 12,378,033 B2Graphic Packaging International, Inc.
- Collapsible packaging system3 Sep 2026US 2026/0257833 A1Form USA Holdings, Inc.
- Dispenser for eye shields9 Jul 2026US 2026/0192971 A1Medline Industries, Inc.
- Tray with compartments21 May 2026US 2026/0138807 A1Graphic Packaging International, Inc.
- Retail packaging for angular brush14 May 2026US 2026/0131931 A1Zibra, LLC
- Free-standing fried food and condiment holder2 Apr 2026US 2026/0091908 A1
Most cited
By later US patents
- Quickly erected scoop-type carton and layout for cutting82US 4,267,955 ADiamond International Corporation · 1981
- Carton82US 6,019,276 A2000
- Packaging of smoking articles77US 6,478,149 B1British American Tobacco (Investments) Limited · 2002
- Foldable packaging box assembly for a bearing73US 5,896,996 AHope Industrial Corporation · 1999
- Polygonal paperboard drum64US 4,166,567 AInternational Paper Company · 1979