B65D 5/546
The lines of weakness being provided in an extension panel or tab
Official title: {the lines of weakness being provided in an extension panel or tab of a hinged closure}
B65D5/546 (The lines of weakness being provided in an extension panel or tab) appears on 41 US grants and 42 published applications in this corpus.
Search patents in B65D- Granted patents
- 41
- Published applications
- 42
- Assignees
- 30
- Inventors
- 65
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 1 |
| 2014 | 0 | 2 |
| 2015 | 2 | 1 |
| 2016 | 1 | 4 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 4 |
| 2021 | 0 | 3 |
| 2022 | 4 | 8 |
| 2023 | 6 | 4 |
| 2024 | 2 | 2 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shoebox14 Oct 2025US 12,441,506 B2Pratt Corrugated Holdings, Inc.
- Carton with tamper-evident feature and method of using same1 Apr 2025US 12,264,000 B2Inno-Pak, LLC
- Containers having folding tops and blanks therefor31 Dec 2024US 12,179,972 B2WestRock Shared Services, LLC
- Zipper cartons with reseal panels and methods of use and assembly26 Mar 2024US 11,939,121 B2Fisher Clinical Services, Inc.
- Self-sealing container6 Jun 2023US 11,667,430 B2Safeseal-Systems
- Packaging26 Mar 2026US 2026/0084857 A1Pratt Corrugated Holdings, Inc.
- Shoebox8 Jan 2026US 2026/0008584 A1Pratt Corrugated Holdings, Inc.
- Containers having folding tops and blanks therefor29 May 2025US 2025/0171197 A1
- Tamper indicating package12 Dec 2024US 2024/0409284 A1Nicoventures Trading Limited
- Zipper cartons with reseal panels and methods of use and assembly12 Sep 2024US 2024/0300692 A1Fisher Clinical Services, Inc.
Most cited
By later US patents
- Ovenable food container with removable lid63US 4,930,639 AWestvaco Corporation · 1990
- Single-serving pie carton and blank47US 4,313,542 AChampion International Corporation · 1982
- Heat sealed paperboard carton having polymer coating on one side only39US 5,217,159 AWestvaco Corporation · 1993
- Pie carton38US 4,432,489 AChampion International Corporation · 1984
- Container for foodstuffs36US 5,330,099 AInternational Paper Company · 1994