B65D 3/266
Forming a helical line of weakness
Official title: {forming a helical line of weakness}
B65D3/266 (Forming a helical line of weakness) appears on 34 US grants and 22 published applications in this corpus.
Search patents in B65D- Granted patents
- 34
- Published applications
- 22
- Assignees
- 11
- Inventors
- 47
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
| 2018 | 1 | 3 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 2 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Paper-based composite container for off-gassing products, and method for making same18 Feb 2025US 12,227,335 B2Sonoco Development, Inc.
- Tear-off baking container7 Jan 2025US 12,185,727 B2Inastir Holdings, LLC
- Paper-based composite container for off-gassing products, and method for making same19 Sep 2023US 11,760,528 B2Sonoco Development, Inc.
- Paper-based composite container for off-gassing products, and method for making same27 Jul 2021US 11,072,452 B2Sonoco Development, Inc.
- Wound package construct12 Jan 2021US 10,889,403 B2General Mills, Inc.
- Paper-based composite container for off-gassing products, and method for making same15 May 2025US 2025/0153885 A1Sonoco Development, Inc.
- Tear-off baking container20 Mar 2025US 2025/0089728 A1Inastir Holdings, LLC
- Paper-based composite container for off-gassing products, and method for making same23 Nov 2023US 2023/0373678 A1Sonoco Development, Inc.
- Tear-off baking container29 Jul 2021US 2021/0227836 A1Inastir Holdings, LLC
- Paper-based composite container for off-gassing products, and method for making same8 Apr 2021US 2021/0101712 A1Sonoco Development, Inc.
Most cited
By later US patents
- Easy-open container for refrigerated dough products and the like67US 5,251,809 ASonoco Products Company · 1993
- Easy-open container having an improved reinforcing and tear strip55US 5,487,506 ASonoco Products Company · 1996
- Easy-open container having improved label45US 5,076,440 ASonoco Products Company · 1991
- Container liner for dough products44US 5,415,910 AInternational Paper Company · 1995
- Composite dough container with multiple stacked ingredient cups43US 5,950,913 ASonoco Development, Inc. · 1999