B65B 31/021
The containers or wrappers being interconnected
Official title: {the containers or wrappers being interconnected}
B65B31/021 (The containers or wrappers being interconnected) appears on 104 US grants and 64 published applications in this corpus.
Search patents in B65B- Granted patents
- 104
- Published applications
- 64
- Assignees
- 63
- Inventors
- 170
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 3 | 1 |
| 2012 | 2 | 2 |
| 2013 | 2 | 3 |
| 2014 | 0 | 7 |
| 2015 | 1 | 3 |
| 2016 | 0 | 5 |
| 2017 | 2 | 2 |
| 2018 | 2 | 5 |
| 2019 | 8 | 4 |
| 2020 | 4 | 6 |
| 2021 | 4 | 6 |
| 2022 | 3 | 4 |
| 2023 | 3 | 2 |
| 2024 | 2 | 2 |
| 2025 | 0 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Separating unit24 Mar 2026US 12,583,646 B2Weber Food Technology GmbH
- Inflatable packaging with offset tear initiation features3 Feb 2026US 12,540,018 B2Pregis LLC
- Packaging box24 Dec 2024US 12,172,782 B2Guangzhou Argion Electric Appliance Co., Ltd.
- Packaging device20 Aug 2024US 12,064,926 B2Multivac Sepp Haggenmueller SE & Co. KG
- Packaging apparatus for forming sealed packages21 Nov 2023US 11,820,540 B2Tetra Laval Holdings & Finance S. A.
- A packaging apparatus for forming a plurality of sealed packages filled with a pourable product17 Sep 2026US 2026/0274477 A1Tetra Laval Holdings & Finance S. A.
- Separating Unit21 Aug 2025US 2025/0263185 A1Weber Food Technology GmbH
- Systems and methods for forming dual layer water soluble packets10 Jul 2025US 2025/0223067 A1New Sps Pod, LLC
- Systems and methods for forming dual layer water soluble packets26 Sep 2024US 2024/0317441 A1New Sps Pod, LLC
- Containment system22 Feb 2024US 2024/0059480 A1
Most cited
By later US patents
- Shaped thermoformed flexible film container for granular products and method and apparatus for making the same121US 4,684,025 AThe Procter & Gamble Company · 1987
- Food packaging with gas between tensioned film and lid74US 5,226,531 ASeawell North America, Inc. · 1993
- Packaging foodstuffs71US 4,685,274 AGarwood Ltd. · 1987
- Improved method of providing resealable containers and matching lockable lids67US 5,542,234 ASara Lee Corporation · 1996
- Food packaging with gas between tensioned film & lid60US 5,155,974 ASeawell North America, Inc. · 1992