B65D 2231/02
Precut holes or weakened zones
B65D2231/02 (Precut holes or weakened zones) appears on 311 US grants and 378 published applications in this corpus.
Search patents in B65D- Granted patents
- 311
- Published applications
- 378
- Assignees
- 159
- Inventors
- 651
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 9 |
| 2003 | 8 | 10 |
| 2004 | 1 | 9 |
| 2005 | 4 | 12 |
| 2006 | 4 | 17 |
| 2007 | 3 | 16 |
| 2008 | 6 | 17 |
| 2009 | 2 | 11 |
| 2010 | 3 | 10 |
| 2011 | 3 | 15 |
| 2012 | 6 | 11 |
| 2013 | 10 | 14 |
| 2014 | 13 | 13 |
| 2015 | 15 | 13 |
| 2016 | 12 | 22 |
| 2017 | 7 | 24 |
| 2018 | 7 | 21 |
| 2019 | 16 | 16 |
| 2020 | 19 | 23 |
| 2021 | 14 | 17 |
| 2022 | 14 | 18 |
| 2023 | 11 | 14 |
| 2024 | 11 | 20 |
| 2025 | 18 | 15 |
| 2026 | 8 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- No spill straw21 Jul 2026US 12,686,551 B2BruMate, Inc.
- Container lid having a closable ventilation opening2 Jun 2026US 12,643,718 B2Xolution Technology GmbH
- Method and apparatus for interconnectable building block container toys capable of storing items19 May 2026US 12,630,334 B2ChangeBox IP Holdings, LLC
- System and method for attaching an exchangeable sealing caps to containers19 May 2026US 12,630,344 B2
- Blend through cup lid14 Apr 2026US 12,600,541 B2Smoodi, Inc.
- A multilayer sheet of packaging material for producing a sealed a package13 Aug 2026US 2026/0233889 A1Tetra Laval Holdings & Finance S. A.
- Recyclable stand-up pouch based on polyethylene30 Jul 2026US 2026/0217436 A1Capri Sun AG
- Article and Method for Forming an Integrated Liner Seal, Dispensing Aperture and Spout16 Jul 2026US 2026/0200647 A1Tekni-Plex, Inc.
- Container lid2 Jul 2026US 2026/0184472 A1Pacific Market International, LLC
- Pierceable cap23 Apr 2026US 2026/0108890 A1Becton, Dickinson and Company
Most cited
By later US patents
- Disposable drinking cup lid151US 4,090,660 A1978
- Container and dispensing system for liquid chemicals140US 5,102,010 ANOW Technologies, Inc. · 1992
- Combined cup138US 5,180,079 A1993
- Container lid with foldback drink opening135US 3,994,411 A1976
- Plastic lid for containers131US 4,421,244 AAmhil Enterprises · 1983